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License: MIT License

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adamlepkowski golonzovsky danemorgridge bigeomaha zjilvufe alexwii xbgmsharp michael-ancestor madkoala matejzero halcode tecsisa marvel-007 tmulin elufimov zer0tul longerpop drat danielgv raulk89 tomylobo ich199 champtar ingussneilands omercnet lewis-liu-001 mahak xiaodong84 jamesboehmer rychenga dkrul yubobo aparo dylanmei jzoe alainlompo yano3 jmwilkinson bratislavml sstopkin chenjun3092 arledesma freeman211314 tommy-yh-kim d-demirci jiaqianjing yeliex vviles jumperyu yuchangyang imtovin dingminyi smartcitysantiagochile alexb760 dm darky vikitripathi g20128330 godois sebaplaza rockysays sabau tpeyrard williamelts kioco yangvipguang txg1550759 wangfeishsh cntrigkog xnakelx thecubed eodgooch mreddy8182 yjandx3543 songfj jorgelbg englishvillage zhaoxqing systemonkey gerencio j050622 scottsom qntln backstop maniacs-oss syukur91 lijiapengsa jiaqiang runc psypuff m2shad0w oskarizu kingdom031 hatuanbao andrewkcarter hamza2404 awesome-javascript wangyingli juanpaulo tomhttp

cerebro's Issues

Fail to start with Java 7

It look like it support only Java 8 ?

./bin/cerebro
Exception in thread "main" java.lang.UnsupportedClassVersionError: com/typesafe/config/ConfigException : Unsupported major.minor version 52.0
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
        at play.core.server.ProdServerStart$.readServerConfigSettings(ProdServerStart.scala:81)
        at play.core.server.ProdServerStart$.start(ProdServerStart.scala:42)
        at play.core.server.ProdServerStart$.main(ProdServerStart.scala:27)
        at play.core.server.ProdServerStart.main(ProdServerStart.scala)

java version "1.7.0_80"
Java(TM) SE Runtime Environment (build 1.7.0_80-b15)
Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode)

Cerebro with reverse proxy

Hello everyone,

I will need Cerebro listen only in localhost, accessible with a reverse proxy and authentication.

How can I doing that ?

Thank you so much for this nice tool.

Can't connect to ES via SSL

Attempting to connect to an ES endpoint protected by jetty auth after setting custom ssl settings results in a 500 error

I had added the following to my application.conf

play.ws.ssl {
  trustManager = {
     stores = [
      { path: /path/to/jks }     # Added trust store
      { path: /usr/java/jdk1.8.0_45/jre/lib/security/cacerts } # Fallback to default JSSE trust store
     ]
  }
}

There is nothing in the application.log file when the 500 errors get thown

Removing the above section from the application.conf allowed me to connect to endpoints over http, but I continue to get 500 errors. This time, at least, they're related to SSL:

play.api.UnexpectedException: Unexpected exception[ConnectException: General SSLEngine problem]

How can I specify non-default configuration file to use?

Hello,
Let me first say that Cerebro is great :) much like KOPF.

Cerebro help (-h) doesn't include this option, is it part of Play framework configuration?

Thank you,
Yarden

use watermark settings to determine warning/critical disk space level indicator color

as reported on lmenezes/elasticsearch-kopf#351

Cannot remove aliases

We found that it is impossible to remove aliases because a problem with JSON body send from UI to Play (that later is enriched for sending it to Elasticsearch).

The JSON between Angular and Play has some fields with null value. These fields should not appear in all cases. Also there is a field called removed used for something in UI that breaks ES remove alias JSON. Here is an example:

{
    "changes": [
        {
            "remove": {
                "alias": "foo",
                "index": "foo-index",
                "filter": null,
                "search_routing": null,
                "index_routing": null,
                "removed": true
            }
        }
    ]
}

Also tried with these other combinations and don't work:

{
    "changes": [
        {
            "remove": {
                "alias": "foo",
                "index": "foo-index",
                "filter": null,
                "search_routing": null,
                "index_routing": null
            }
        }
    ]
}

{
    "changes": [
        {
            "remove": {
                "alias": "foo",
                "index": "foo-index",
                "removed": true
            }
        }
    ]
}

The expected JSON to send to ES is like:

{
    "changes": [
        {
            "remove": {
                "alias": "foo",
                "index": "foo-index"
            }
        }
    ]
}

We found that if those fields are not set in Angular, they will never appear in Play and not propagated to ES. In case of "removed" field, it should not reach Play.

We can make a PR to fix this if you agree.

Thank you so much

Specs:

Cerebro v0.4.1 with Elasticsearch 5.1.1 (multinode cluster)
Cerebro develop branch with Elasticsearch 5.1.1 (local cluster)

All nodes appear as master

When it is a client node:

"roles" : [
        "data",
        "ingest"
      ],
        "node" : {
          "data" : "true",
          "name" : "node",
          "master" : "false"
        },

When it is a master node:

"roles" : [
        "master",
        "data",
        "ingest"
      ],
        "node" : {
          "data" : "true",
          "name" : "node",
          "master" : "true"
        },

Interface: Sort host doesn't change host column order

Clicking on sort host [a-z] changes the index columns, but not the host column. Host are always listed in descending order.

Nice work so far though 😺

Firefox 47.0
Chrome 51.0.2704.106
Ubuntu 14.04

Selecting indices for snapshot does not parse well

Wanted to backup some specific indices from logstash using the Cerebro (v0.4.0) snapshot utility, but the indices were not parsed well to the json query, they should be separated through commas

{
  "error": {
    "root_cause": [
      {
        "type": "index_not_found_exception",
        "reason": "no such index",
        "resource.type": "index_or_alias",
        "resource.id": "logstash-2016.11.25logstash-2016.11.26logstash-2016.11.27",
        "index": "logstash-2016.11.25logstash-2016.11.26logstash-2016.11.27"
      }
    ],
    "type": "index_not_found_exception",
    "reason": "no such index",
    "resource.type": "index_or_alias",
    "resource.id": "logstash-2016.11.25logstash-2016.11.26logstash-2016.11.27",
    "index": "logstash-2016.11.25logstash-2016.11.26logstash-2016.11.27"
  },
  "status": 404
}

Release 0.5 Changelog missing

Explain benefits of cerebro over kopf in README

Hi, we're avid fans of Kopf on my project and we saw an off-hand mention of cerebro in the elasticsearch blog ( https://www.elastic.co/blog/running-site-plugins-with-elasticsearch-5-0 ). Can you put a few words in the README about the benefits of cerebro? Right now it looks like kopf but with a proprietary backend for talking to elasticsearch.

Questions about node ordering in overview.

What's the criteria for node ordering? I have a two node stack that keeps arranging itself constantly (e.g., node1-master will be on top, then on bottom, then on top). I don't see anything else out of the ordinary going on. All resource usage is small. All states are green. All shards are started. Nothing is allocating (turned all allocation off to be sure). There are only 3 indices (special ones), each with 1 shard and 1 replica. I've had it filled to gigs of test data and it does the same thing. My other, 8 node stack doesn't do this. Any ideas?

Listen port configurable

Now the default listen port is 9000

However, I have run a php fast-cgi instance which already listened 9000 port in my machine

So, how can I change the default listen port of cerebro

thks ;)

error - cannot invoke the action

Hi,

Thanks for your work on this plugin, it is very much appreciated (i am coming from the kopf project). I am trying to run an instance of cerebro but the application doesn't want to load. It outputs a lot of error of the type
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action com.fasterxml.jackson.core.JsonParseException: Unrecognized token 'No': was expecting 'null', 'true', 'false' or NaN at [Source: [B@173a62d5; line: 1, column: 4] at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4] at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4] at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._reportInvalidToken(UTF8StreamJsonParser.java:3323) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4] at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._reportInvalidToken(UTF8StreamJsonParser.java:3301) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4] at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._matchToken(UTF8StreamJsonParser.java:2622) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]

Being myself completely ignorant in java & scala, do you have any idea on how to solve the problem ? My ES cluster seems to work juste fine (i can do a curl https://user:passwd@xxxx//_cat/nodes?v - note that i use https)

configuration not read

Hi,
Using cluster settings in cerebro, I can't see any value in fields

Missing shard allocation

Hi,

The shard relocation info is missing in Cerebro. Tested on a cluster with Kopf at the moment of shard relocation, also double checked with ES API. Allocation was not showing on Cerebro.

Version=0.3.1
Browser=Firefox 50.0

Cerebro shards screenshot

Kopf shards screenshot

Still, the affected shards were showed on black, so i guess the only missing part is the info on the part showed on the screenshots above.

_cat url in REST?

I'm trying call '_cat/health' (GET) via REST console and this return me:

"

<!DOCTYPE html>
<html lang="en">
    <head>
        <title>Error</title>
        <link rel="shortcut icon" href="data:image/png;base64,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">
        <style>
            html, body, pre {
                margin: 0;
                padding: 0;
                font-family: Monaco, 'Lucida Console', monospace;
                background: #ECECEC;
            }
            h1 {
                margin: 0;
                background: #A31012;
                padding: 20px 45px;
                color: #fff;
                text-shadow: 1px 1px 1px rgba(0,0,0,.3);
                border-bottom: 1px solid #690000;
                font-size: 28px;
            }
            p#detail {
                margin: 0;
                padding: 15px 45px;
                background: #F5A0A0;
                border-top: 4px solid #D36D6D;
                color: #730000;
                text-shadow: 1px 1px 1px rgba(255,255,255,.3);
                font-size: 14px;
                border-bottom: 1px solid #BA7A7A;
            }
        </style>
    </head>
    <body>
        <h1>Oops, an error occurred</h1>

        <p id="detail">
            This exception has been logged with id <strong>729m36519</strong>.
        </p>

    </body>
</html>

In console everything is ok:

curl -XGET 'http://localhost:9200/_cat/health'
1480896067 01:01:07 elasticsearch yellow 1 1 5 5 0 0 5 0 - 50.0%

Maybe this will be usefull. This is output in elasticsearch after call from cerebro.

[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Invalid numeric value: Leading zeroes not allowed
 at [Source: [B@5d0f44fd; line: 1, column: 13]
	at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
	at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
	at com.fasterxml.jackson.core.base.ParserBase.reportInvalidNumber(ParserBase.java:995) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
	at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._verifyNoLeadingZeroes(UTF8StreamJsonParser.java:1469) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
	at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._parsePosNumber(UTF8StreamJsonParser.java:1315) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @729m49gi7 - Internal server error, for (POST) [/rest/request] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Invalid numeric value: Leading zeroes not allowed
 at [Source: [B@5d0f44fd; line: 1, column: 13]]
	at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
	at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
	at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
	at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
	at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Invalid numeric value: Leading zeroes not allowed
 at [Source: [B@5d0f44fd; line: 1, column: 13]
	at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
	at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
	at com.fasterxml.jackson.core.base.ParserBase.reportInvalidNumber(ParserBase.java:995) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
	at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._verifyNoLeadingZeroes(UTF8StreamJsonParser.java:1469) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
	at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._parsePosNumber(UTF8StreamJsonParser.java:1315) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]

Need white theme

Please save my eyes. Thanks.

Please make the port configurable

SonarQube uses 9000 too (it has multiple types of runners, all of which should be configured to a different port).

Large number of "Internal server error" due to failed auth (HTTP 401)

I am experimenting with cerebro. I downloaded v0.4.2 and am running bin/cerebro after adding my host to the application config file. When trying to open the cluster in the webui, a large number of errors are dumped out to the terminal and the page may or may not load. Seems to happen on most pages.

$ bin/cerebro
[warn] application - Logger configuration in conf files is deprecated and has no effect. Use a logback configuration file instead.
[info] play.api.Play - Application started (Prod)
[info] p.c.s.NettyServer - Listening for HTTP on /0:0:0:0:0:0:0:0:9000
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]
        at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3609) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3522) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:1872) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at play.api.libs.json.jackson.JacksonJson$.parseJsValue(JacksonJson.scala:223) ~[com.typesafe.play.play-json_2.11-2.4.6.jar:2.4.6]
[error] application - 

! @72m5oa9bb - Internal server error, for (POST) [/overview] ->
 
play.api.UnexpectedException: Unexpected exception[JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]
        at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3609) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3522) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:1872) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at play.api.libs.json.jackson.JacksonJson$.parseJsValue(JacksonJson.scala:223) ~[com.typesafe.play.play-json_2.11-2.4.6.jar:2.4.6]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]
        at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3609) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3522) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:1872) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at play.api.libs.json.jackson.JacksonJson$.parseJsValue(JacksonJson.scala:223) ~[com.typesafe.play.play-json_2.11-2.4.6.jar:2.4.6]
[error] application - 

! @72m5oaanb - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]
        at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3609) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3522) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:1872) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at play.api.libs.json.jackson.JacksonJson$.parseJsValue(JacksonJson.scala:223) ~[com.typesafe.play.play-json_2.11-2.4.6.jar:2.4.6]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]
        at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3609) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3522) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:1872) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at play.api.libs.json.jackson.JacksonJson$.parseJsValue(JacksonJson.scala:223) ~[com.typesafe.play.play-json_2.11-2.4.6.jar:2.4.6]
[error] application - 

! @72m5oaane - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]
        at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3609) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3522) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:1872) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at play.api.libs.json.jackson.JacksonJson$.parseJsValue(JacksonJson.scala:223) ~[com.typesafe.play.play-json_2.11-2.4.6.jar:2.4.6]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@2dee86a4; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oam11 - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@2dee86a4; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@2dee86a4; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]
        at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3609) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3522) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:1872) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at play.api.libs.json.jackson.JacksonJson$.parseJsValue(JacksonJson.scala:223) ~[com.typesafe.play.play-json_2.11-2.4.6.jar:2.4.6]
[error] application - 

! @72m5odlh3 - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]
        at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3609) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3522) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:1872) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at play.api.libs.json.jackson.JacksonJson$.parseJsValue(JacksonJson.scala:223) ~[com.typesafe.play.play-json_2.11-2.4.6.jar:2.4.6]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]
        at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3609) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3522) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:1872) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at play.api.libs.json.jackson.JacksonJson$.parseJsValue(JacksonJson.scala:223) ~[com.typesafe.play.play-json_2.11-2.4.6.jar:2.4.6]
[error] application - 

! @72m5oe02d - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]
        at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3609) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3522) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:1872) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at play.api.libs.json.jackson.JacksonJson$.parseJsValue(JacksonJson.scala:223) ~[com.typesafe.play.play-json_2.11-2.4.6.jar:2.4.6]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@618057cd; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oe3jj - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@618057cd; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@618057cd; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@6f866aee; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oe88a - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@6f866aee; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@6f866aee; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@6b783cbd; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oechj - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@6b783cbd; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@6b783cbd; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@2a84e97a; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oeh5g - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@2a84e97a; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@2a84e97a; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@2e7aafb6; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5of7hj - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@2e7aafb6; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@2e7aafb6; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@4fe4788e; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5of831 - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@4fe4788e; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@4fe4788e; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@451c13fe; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ofhn5 - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@451c13fe; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@451c13fe; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@38a3e444; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ofodj - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@38a3e444; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@38a3e444; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@325b8f34; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ofohh - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@325b8f34; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@325b8f34; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@7759071b; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ofolp - Internal server error, for (POST) [/overview] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@7759071b; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@7759071b; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@349ecfd6; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5og061 - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@349ecfd6; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@349ecfd6; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@3e66a4a6; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5og0a6 - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@3e66a4a6; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@3e66a4a6; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@7b642d0e; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5og0eo - Internal server error, for (POST) [/overview] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@7b642d0e; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@7b642d0e; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]
        at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3609) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3522) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:1872) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at play.api.libs.json.jackson.JacksonJson$.parseJsValue(JacksonJson.scala:223) ~[com.typesafe.play.play-json_2.11-2.4.6.jar:2.4.6]
[error] application - 

! @72m5og2le - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]
        at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3609) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3522) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:1872) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at play.api.libs.json.jackson.JacksonJson$.parseJsValue(JacksonJson.scala:223) ~[com.typesafe.play.play-json_2.11-2.4.6.jar:2.4.6]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@507f4c70; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5og4kc - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@507f4c70; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@507f4c70; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@46645652; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5og4oh - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@46645652; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@46645652; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@28a84385; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5og4oo - Internal server error, for (POST) [/overview] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@28a84385; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@28a84385; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@39c6bdcb; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5og52l - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@39c6bdcb; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@39c6bdcb; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@1776f854; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5og57i - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@1776f854; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@1776f854; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@3d403a06; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5og5bf - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@3d403a06; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@3d403a06; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@59723d3a; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5og5h1 - Internal server error, for (POST) [/overview] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@59723d3a; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@59723d3a; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@4a555549; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5og8d2 - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@4a555549; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@4a555549; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@411d9b31; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5og8i2 - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@411d9b31; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@411d9b31; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@1b4bd241; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5og8mc - Internal server error, for (POST) [/overview] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@1b4bd241; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@1b4bd241; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@3849026d; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oghp4 - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@3849026d; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@3849026d; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@32b1691d; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ogi33 - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@32b1691d; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@32b1691d; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@176f0c06; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ogi79 - Internal server error, for (POST) [/overview] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@176f0c06; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@176f0c06; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@77b3e12f; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ogk3f - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@77b3e12f; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@77b3e12f; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@719dfde; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ogk7l - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@719dfde; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@719dfde; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@468e5262; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ogkbj - Internal server error, for (POST) [/overview] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@468e5262; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@468e5262; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@7fce322f; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oh313 - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@7fce322f; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@7fce322f; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@179c1e60; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oh34o - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@179c1e60; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@179c1e60; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@2206fcd9; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oh39o - Internal server error, for (POST) [/overview] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@2206fcd9; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@2206fcd9; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]
        at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3609) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3522) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:1872) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at play.api.libs.json.jackson.JacksonJson$.parseJsValue(JacksonJson.scala:223) ~[com.typesafe.play.play-json_2.11-2.4.6.jar:2.4.6]
[error] application - 

! @72m5oh3bl - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]
        at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3609) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3522) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:1872) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at play.api.libs.json.jackson.JacksonJson$.parseJsValue(JacksonJson.scala:223) ~[com.typesafe.play.play-json_2.11-2.4.6.jar:2.4.6]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]
        at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3609) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3522) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:1872) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at play.api.libs.json.jackson.JacksonJson$.parseJsValue(JacksonJson.scala:223) ~[com.typesafe.play.play-json_2.11-2.4.6.jar:2.4.6]
[error] application - 

! @72m5oh6ak - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]
        at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3609) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3522) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:1872) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at play.api.libs.json.jackson.JacksonJson$.parseJsValue(JacksonJson.scala:223) ~[com.typesafe.play.play-json_2.11-2.4.6.jar:2.4.6]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@5e32c462; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oh6fl - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@5e32c462; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@5e32c462; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@6a9b8084; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oh6kn - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@6a9b8084; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@6a9b8084; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@64ca98b2; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oh6om - Internal server error, for (POST) [/overview] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@64ca98b2; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@64ca98b2; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@28fe97a9; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oh735 - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@28fe97a9; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@28fe97a9; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@6dfc1cd2; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oh789 - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@6dfc1cd2; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@6dfc1cd2; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@7889c580; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oh7cn - Internal server error, for (POST) [/overview] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@7889c580; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@7889c580; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]
        at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3609) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3522) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:1872) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at play.api.libs.json.jackson.JacksonJson$.parseJsValue(JacksonJson.scala:223) ~[com.typesafe.play.play-json_2.11-2.4.6.jar:2.4.6]
[error] application - 

! @72m5oham4 - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: [B@7d7ebdc2; line: 1, column: 1]
        at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3609) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3522) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:1872) ~[com.fasterxml.jackson.core.jackson-databind-2.5.4.jar:2.5.4]
        at play.api.libs.json.jackson.JacksonJson$.parseJsValue(JacksonJson.scala:223) ~[com.typesafe.play.play-json_2.11-2.4.6.jar:2.4.6]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@13d2e555; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ohb87 - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@13d2e555; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@13d2e555; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@5cdbf226; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ohb8i - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@5cdbf226; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@5cdbf226; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@4475cb; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ohbcl - Internal server error, for (POST) [/overview] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@4475cb; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@4475cb; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@dd3e39d; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ohe2b - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@dd3e39d; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@dd3e39d; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@3bc09262; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ohe68 - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@3bc09262; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@3bc09262; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@5b8b2299; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ohean - Internal server error, for (POST) [/overview] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@5b8b2299; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@5b8b2299; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@6da216cc; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ohfh7 - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@6da216cc; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@6da216cc; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@5d9d0cc2; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ohfla - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@5d9d0cc2; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@5d9d0cc2; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@38891dfe; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ohfpk - Internal server error, for (POST) [/overview] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@38891dfe; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@38891dfe; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@1b40dd09; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ohh5l - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@1b40dd09; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@1b40dd09; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@99d1af7; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ohh9k - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@99d1af7; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@99d1af7; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@59e1a269; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ohhda - Internal server error, for (POST) [/overview] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@59e1a269; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@59e1a269; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@36f1ca24; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ohm4j - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@36f1ca24; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@36f1ca24; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@1389ab75; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ohm93 - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@1389ab75; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@1389ab75; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@46e747e9; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5ohme0 - Internal server error, for (POST) [/overview] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@46e747e9; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@46e747e9; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@5b5272a9; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oi052 - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@5b5272a9; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@5b5272a9; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@3af99196; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oi093 - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@3af99196; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@3af99196; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@2e1cc07; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oi0h9 - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@2e1cc07; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@2e1cc07; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@7e451bbd; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oi32k - Internal server error, for (POST) [/overview] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@7e451bbd; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@7e451bbd; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@1971c005; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oi52d - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@1971c005; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@1971c005; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@5c735d4f; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oi55e - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@5c735d4f; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@5c735d4f; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@2ff97b7; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oi56l - Internal server error, for (POST) [/overview] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@2ff97b7; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@2ff97b7; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@364ae9e6; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oi6gn - Internal server error, for (POST) [/cluster_changes] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@364ae9e6; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@364ae9e6; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@4049ab98; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oi6ld - Internal server error, for (POST) [/navbar] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@4049ab98; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@4049ab98; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@4cc4c662; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
[error] application - 

! @72m5oi701 - Internal server error, for (POST) [/overview] ->
 
play.api.UnexpectedException: Unexpected exception[JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@4cc4c662; line: 1, column: 2]]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:261) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:191) ~[com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.GlobalSettings$class.onError(GlobalSettings.scala:179) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.DefaultGlobal$.onError(GlobalSettings.scala:212) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
        at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:94) [com.typesafe.play.play_2.11-2.4.6.jar:2.4.6]
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: [B@4cc4c662; line: 1, column: 2]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1487) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2485) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:801) ~[com.fasterxml.jackson.core.jackson-core-2.5.4.jar:2.5.4]

Bind to IP

Is there any config option to get Cerebro to bind to a specific IP? Alternatively can I request this as a feature? It would be a great help.

Thanks!

Enforce HTTPS

I'd like to set up my cerebro instance on heroku and make it accessible only via HTTPS.

Plan is to use either request filter or custom http action that will check in config if https enforcing is enabled. For http requests with https enforcing flag enabled it should return 400 saying that HTTPS is required or simply redirect to https

Docker image

Hi,

Great project!

For my own needs I built a Docker image to run cerebro with a docker-compose project example to run it with a cluster of a couple Elasticsearch 5 nodes: https://github.com/yannart/docker-cerebro

Perhaps you'd like to merge it to your project? Or if you prefer to keep it separate I volunteer to maintain the Docker image if you do not have already another.

Regards,

Yann

Tasks view

Hi, may be add some simple tasks view?
I'm about: https://www.elastic.co/guide/en/elasticsearch/reference/current/tasks.html

I'm do reindex some time with new api and it's hurts to watch several tasks in console =_=''

P.S.
Thanks for you job, i did use kopf before, and now use cerebro, they are awesome.

Make pager button unselectable: solution inside

Suggestion: Add CSS to make pagination buttons unselectable.

The buttons and some surrounding text will become highlighted when clicking quickly as the browser thinks it's a double click. The following CSS should cover all modern browsers:

-webkit-touch-callout: none; /* iOS Safari */
-webkit-user-select: none;   /* Chrome/Safari/Opera */
-khtml-user-select: none;    /* Konqueror */
-moz-user-select: none;      /* Firefox */
-ms-user-select: none;       /* Internet Explorer/Edge */
user-select: none;           /* Non-prefixed version, currently
                                not supported by any browser */

I tested it in Chrome and the webkit prefix version was necessary.

I suggest adding it to the .pager selector or maybe just create a noselect class as suggested in the Stack Overflow link.

Overview mouse over tooltip on node stats doesn't appear

In Kopf when hovering over the stats for each node (such as the disk, cpu, load etc), a tool tip appears with the raw readings. Cerebro doesn't seem to do this - those stats are quite useful to give some drill down if you spot the horizontal bars growing etc.

Shard count doesn't respect the closed and special selection

By default the special indices (starting with a dot) are not displayed in the cluster view. The count of unassigned shards still counts them which can be confusing.

http address to listen

Hello!
[info] p.c.s.NettyServer - Listening for HTTP on /0:0:0:0:0:0:0:0:9000

May i set to listen only 127.0.0.1:9000 ?

implemented indices page

Base on pull #7 , created indices page without sorting feature.

Make pid file optional and/or handle non-existing process better

Can we make writing out the pid file optional? I am running it under supervisor which doesn't deal with external pid files.

Alternatively could cerebro check that the pid in the file is active and only error then. If the pid doesn't exist then it should rewrite the pid file with the new pid, otherwise error as before.

Bugged load bar

Hi,

Node load bar shows nothing (like load zero). I tested this on a cluster with kopf, which actually was showing some load value.

Cerebro Load

Kopf Load

Support custom location

I'd like to use cerebro under custom location, i.e. /cerebro.

I have configured nginx to proxy-pass requests from /cerebro to cerebro upstream, but it doesn't support custom locations and tries to fetch hosts using root location: /connect/hosts

P.S. Custom routes file doesn't help.

Connecting to ES behind Shield?

How can i get cerebro to connect to a node behind a Shield? I have tried to set this up:

hosts = [
{
host = "https://127.0.01:9200",
auth = {
username = "admin"
password = "admin"
}
}
]

[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
java.net.ConnectException: General SSLEngine problem
at com.ning.http.client.providers.netty.request.NettyConnectListener.onFutureFailure(NettyConnectListener.java:128) ~[com.ning.async-http-client-1.9.21.jar:na]
at com.ning.http.client.providers.netty.request.NettyConnectListener.access$200(NettyConnectListener.java:37) ~[com.ning.async-http-client-1.9.21.jar:na]
at com.ning.http.client.providers.netty.request.NettyConnectListener$1.operationComplete(NettyConnectListener.java:101) ~[com.ning.async-http-client-1.9.21.jar:na]
at org.jboss.netty.channel.DefaultChannelFuture.notifyListener(DefaultChannelFuture.java:409) ~[io.netty.netty-3.10.4.Final.jar:na]
at org.jboss.netty.channel.DefaultChannelFuture.notifyListeners(DefaultChannelFuture.java:395) ~[io.netty.netty-3.10.4.Final.jar:na]
Caused by: javax.net.ssl.SSLHandshakeException: General SSLEngine problem
at sun.security.ssl.Handshaker.checkThrown(Handshaker.java:1431) ~[na:1.8.0_91]
at sun.security.ssl.SSLEngineImpl.checkTaskThrown(SSLEngineImpl.java:535) ~[na:1.8.0_91]
at sun.security.ssl.SSLEngineImpl.readNetRecord(SSLEngineImpl.java:813) ~[na:1.8.0_91]
at sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:781) ~[na:1.8.0_91]
at javax.net.ssl.SSLEngine.unwrap(SSLEngine.java:624) ~[na:1.8.0_91]
Caused by: javax.net.ssl.SSLHandshakeException: General SSLEngine problem
at sun.security.ssl.Alerts.getSSLException(Alerts.java:192) ~[na:1.8.0_91]
at sun.security.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1728) ~[na:1.8.0_91]
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:304) ~[na:1.8.0_91]
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:296) ~[na:1.8.0_91]
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1509) ~[na:1.8.0_91]
Caused by: java.security.cert.CertificateException: No subject alternative names matching IP address 127.0.0.1 found
at sun.security.util.HostnameChecker.matchIP(HostnameChecker.java:167) ~[na:1.8.0_91]
at sun.security.util.HostnameChecker.match(HostnameChecker.java:93) ~[na:1.8.0_91]
at sun.security.ssl.X509TrustManagerImpl.checkIdentity(X509TrustManagerImpl.java:455) ~[na:1.8.0_91]
at sun.security.ssl.X509TrustManagerImpl.checkIdentity(X509TrustManagerImpl.java:436) ~[na:1.8.0_91]
at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:252) ~[na:1.8.0_91]
[error] p.c.s.n.PlayDefaultUpstreamHandler - Cannot invoke the action
java.net.ConnectException: General SSLEngine problem
at com.ning.http.client.providers.netty.request.NettyConnectListener.onFutureFailure(NettyConnectListener.java:128) ~[com.ning.async-http-client-1.9.21.jar:na]
at com.ning.http.client.providers.netty.request.NettyConnectListener.access$200(NettyConnectListener.java:37) ~[com.ning.async-http-client-1.9.21.jar:na]
at com.ning.http.client.providers.netty.request.NettyConnectListener$1.operationComplete(NettyConnectListener.java:101) ~[com.ning.async-http-client-1.9.21.jar:na]
at org.jboss.netty.channel.DefaultChannelFuture.notifyListener(DefaultChannelFuture.java:409) ~[io.netty.netty-3.10.4.Final.jar:na]
at org.jboss.netty.channel.DefaultChannelFuture.notifyListeners(DefaultChannelFuture.java:395) ~[io.netty.netty-3.10.4.Final.jar:na]
Caused by: javax.net.ssl.SSLHandshakeException: General SSLEngine problem
at sun.security.ssl.Handshaker.checkThrown(Handshaker.java:1431) ~[na:1.8.0_91]
at sun.security.ssl.SSLEngineImpl.checkTaskThrown(SSLEngineImpl.java:535) ~[na:1.8.0_91]
at sun.security.ssl.SSLEngineImpl.readNetRecord(SSLEngineImpl.java:813) ~[na:1.8.0_91]
at sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:781) ~[na:1.8.0_91]
at javax.net.ssl.SSLEngine.unwrap(SSLEngine.java:624) ~[na:1.8.0_91]
Caused by: javax.net.ssl.SSLHandshakeException: General SSLEngine problem
at sun.security.ssl.Alerts.getSSLException(Alerts.java:192) ~[na:1.8.0_91]
at sun.security.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1728) ~[na:1.8.0_91]
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:304) ~[na:1.8.0_91]
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:296) ~[na:1.8.0_91]
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1509) ~[na:1.8.0_91]
Caused by: java.security.cert.CertificateException: No subject alternative names matching IP address 127.0.0.1 found
at sun.security.util.HostnameChecker.matchIP(HostnameChecker.java:167) ~[na:1.8.0_91]
at sun.security.util.HostnameChecker.match(HostnameChecker.java:93) ~[na:1.8.0_91]
at sun.security.ssl.X509TrustManagerImpl.checkIdentity(X509TrustManagerImpl.java:455) ~[na:1.8.0_91]
at sun.security.ssl.X509TrustManagerImpl.checkIdentity(X509TrustManagerImpl.java:436) ~[na:1.8.0_91]
at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:252) ~[na:1.8.0_91]
[error] application -

! @728dbck8l - Internal server error, for (POST) [/navbar] ->

http port

Hello,

Is it possible to configure another http port instead of 9000 ?

Regards
H.

chmod +x bin/cerebro

Add edit Index Template

Add edit Index Template, only have create/delete option

Can't edit an index template

Can't edit or even view an existing index template

Naming hosts in application.conf

Hello!

Thanks for your product!

Question - whether it is possible to specify the host names which are described in application.conf?
Example:

...
hosts = [
  {
    name = "ES Production"
    host = "http://ip1:9200"
  }
  {
    name = "ES Staging"
    host = "http://ip2:9200"
  }
]
...

In order to name, replacement host in the web interface.

If this is not implemented - you can to consider this issue, as a feature request :)

how do i install it

hi
i've downloaded the zip file
extracted the file
now how do i install the plugin ?

Add favicon with status color as in elasticsearch-kopf

This was a nice to feature! would be nice to have it again.

overview not working on 0.5.0 + Elastic 5.1.1

it does work on 0.4.2 but not in 0.5.0 I cannot see any relevant error in log, overview is just empty

auto start when system reboot

How to auto start cerebro when system reboot
CentOS 7
Thanks

Release 0.5 still greets with v0.3.1

noone of non-data nodes shows in gui

Hello,

Awesome product, like it so much (used kopf on ES 4.x previously). Thanks for great job!
I'd like to clarify one thing. My cluster consists of 4 nodes: 3 data, and 1 ingest. So, on the top, I can see my cluster name and correct number of nodes (4). However, in the bottom part I see only data nodes.
Is this a bug or a feature?

elasticsearch 5.1.1, cerebro 0.4.1

Sincerely,
ignaqui

Only data nodes visible in v0.3.1

Seems with the new version, client & master nodes are no longer displayed.

Add build instructions to Readme

I've tried building via grunt build and sbt compile but not sure where to find the output artifacts or if that is even correct.

Adding build instructions to the readme will help potential and future contributors get up and running more quickly.

Add snapshot/restore feature

Hi,

I am really glad you started this project. One of the features in kopf that I really liked was snapshot/restore feature. It was so easy to manage snapshots and restore them.
I was hoping the feature would be available in cerebro as well.

Great project again and many thanks.

Wish / Idea: invert (transpose) nodes-index table list

Hi,

maybe it will be good visual improvement to invert nodes-index table (nodes as columns, indexes as rows), reason - usually we have more indexes than nodes and scroll-down looks like to be more easy way to find specified index than jump to second/third page as it is currently (besides search by full index name with some part of date)

Additionally index information can be more "thiner" in a matter of row height, so more indexes can be displayed.

Version is not udpate in public/connect.html

File public/connect.html is not update.

        <h4>Cerebro
          <small>v0.1.0</small>
        </h4>

create _cat section

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