chimpler / blog-spark-food-recommendation

Simple example on how to use recommenders in Spark / MLlib

blog-spark-recommendation

Simple example on how to use recommenders in Spark / MLlib using the Play framework. More info on our blog: http://chimpler.wordpress.com/2014/07/22/building-a-food-recommendation-engine-with-spark-mllib-and-play/

Setup

You will need:

• Scala 2.10+
• Play Framework
• MongoDB

Download the food review file (500K reviews) using the download.sh script.

Running the example

$ play package run

blog-spark-food-recommendation's Issues

a error：Permission denied

hi~i got io error when i use the command "play package run" to run your app,could you help me?

[hadoop@master blog-spark-food-recommendation-master]$ play package run
java.io.IOException: Permission denied
at java.io.UnixFileSystem.createFileExclusively(Native Method)
at java.io.File.createNewFile(File.java:1006)
at xsbt.boot.Locks$.apply0(Locks.scala:35)
at xsbt.boot.Locks$.apply(Locks.scala:28)
at xsbt.boot.Launch.locked(Launch.scala:178)
at xsbt.boot.Launch.app(Launch.scala:93)
at xsbt.boot.Launch.app(Launch.scala:91)
at xsbt.boot.Launch$.run(Launch.scala:51)
at xsbt.boot.Launch$$anonfun$explicit$1.apply(Launch.scala:45)
at xsbt.boot.Launch$.launch(Launch.scala:65)
at xsbt.boot.Launch$.apply(Launch.scala:16)
at xsbt.boot.Boot$.runImpl(Boot.scala:32)
at xsbt.boot.Boot$.main(Boot.scala:21)
at xsbt.boot.Boot.main(Boot.scala)
Error during sbt execution: java.io.IOException: Permission denied

java.lang.NoSuchMethodError while browsing at localhost:9000

Hi @darthbear
I have mongo 2.6.0 , play 2.2.3, spark 1.2.0 setup in my local machine. I get following NSME at akka.util.Helpers$.ConfigOps(Lcom/typesafe/config/Config;)Lcom/typesafe/config/Config error when I run the application and render at http://localhost:9000/.

$ $PLAY_HOME/play package run

.....
.....

(Server started, use Ctrl+D to stop and go back to the console...)

[info] play - Application started (Dev)
[error] application - 

! Internal server error, for (GET) [/] ->

java.lang.NoSuchMethodError: akka.util.Helpers$.ConfigOps(Lcom/typesafe/config/Config;)Lcom/typesafe/config/Config;
    at akka.remote.RemoteSettings.<init>(RemoteSettings.scala:48) ~[akka-remote_2.10-2.3.4-spark.jar:na]
    at akka.remote.RemoteActorRefProvider.<init>(RemoteActorRefProvider.scala:114) ~[akka-remote_2.10-2.3.4-spark.jar:na]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.7.0_65]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) ~[na:1.7.0_65]
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.7.0_65]
    at java.lang.reflect.Constructor.newInstance(Constructor.java:526) ~[na:1.7.0_65]
[error] application - Error while rendering default error page
scala.MatchError: java.lang.NoSuchMethodError: akka.util.Helpers$.ConfigOps(Lcom/typesafe/config/Config;)Lcom/typesafe/config/Config; (of class java.lang.NoSuchMethodError)
    at play.api.GlobalSettings$class.onError(GlobalSettings.scala:131) ~[play_2.10.jar:2.2.3]
    at play.api.DefaultGlobal$.onError(GlobalSettings.scala:189) [play_2.10.jar:2.2.3]
    at play.core.server.Server$class.logExceptionAndGetResult$1(Server.scala:73) [play_2.10.jar:2.2.3]
    at play.core.server.Server$$anonfun$getHandlerFor$4.apply(Server.scala:83) [play_2.10.jar:2.2.3]
    at play.core.server.Server$$anonfun$getHandlerFor$4.apply(Server.scala:81) [play_2.10.jar:2.2.3]
    at scala.util.Either$RightProjection.flatMap(Either.scala:523) [scala-library-2.10.4.jar:na]