I'm trying to use your sink connector but I'm facing this issue and I'm unable to find out what is the issue:
echo "===> Launching ... "
+ echo '===> Launching ... '
exec /etc/confluent/docker/launch
+ exec /etc/confluent/docker/launch
[2018-06-14 14:21:28,150] INFO Loading plugin from: /jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
[2018-06-14 14:21:28,151] DEBUG Loading plugin urls: [file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar] (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar (org.reflections.Reflections)
[2018-06-14 14:21:28,200] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar (org.reflections.Reflections)
[2018-06-14 14:21:28,253] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
[2018-06-14 14:21:28,277] DEBUG could not scan file META-INF/maven/com.tm.kafka/kafka-connect-rest/pom.xml in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
org.reflections.ReflectionsException: could not create class object from file META-INF/maven/com.tm.kafka/kafka-connect-rest/pom.xml
[2018-06-14 14:21:28,277] DEBUG could not scan file META-INF/maven/com.tm.kafka/kafka-connect-rest/pom.properties in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
org.reflections.ReflectionsException: could not create class object from file META-INF/maven/com.tm.kafka/kafka-connect-rest/pom.properties
[2018-06-14 14:21:28,283] DEBUG could not scan file META-INF/maven/org.slf4j/slf4j-api/pom.xml in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
[2018-06-14 14:21:28,284] DEBUG could not scan file META-INF/maven/org.slf4j/slf4j-api/pom.properties in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
[2018-06-14 14:21:28,284] DEBUG could not scan file META-INF/NOTICE.txt in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
[2018-06-14 14:21:28,289] DEBUG could not scan file META-INF/LICENSE.txt in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
[2018-06-14 14:21:28,311] DEBUG could not scan file META-INF/maven/org.apache.commons/commons-compress/pom.xml in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
[2018-06-14 14:21:28,331] DEBUG could not scan file META-INF/maven/org.apache.commons/commons-compress/pom.properties in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
[2018-06-14 14:21:28,334] DEBUG could not scan file META-INF/LICENSE in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
[2018-06-14 14:21:28,335] DEBUG could not scan file META-INF/NOTICE in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
[2018-06-14 14:21:28,347] DEBUG could not scan file org/apache/velocity/runtime/defaults/velocity.properties in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
[2018-06-14 14:21:28,351] DEBUG could not scan file org/apache/velocity/runtime/defaults/directive.properties in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
[2018-06-14 14:21:28,364] DEBUG could not scan file META-INF/DEPENDENCIES in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
[2018-06-14 14:21:28,366] DEBUG could not scan file META-INF/maven/org.apache.velocity/velocity-engine-core/pom.xml in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
[2018-06-14 14:21:28,371] DEBUG could not scan file META-INF/maven/org.apache.velocity/velocity-engine-core/pom.properties in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
[2018-06-14 14:21:28,373] DEBUG could not scan file META-INF/maven/commons-io/commons-io/pom.xml in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
[2018-06-14 14:21:28,373] DEBUG could not scan file META-INF/maven/commons-io/commons-io/pom.properties in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
[2018-06-14 14:21:28,380] DEBUG could not scan file META-INF/maven/org.apache.commons/commons-lang3/pom.properties in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
[2018-06-14 14:21:28,400] DEBUG could not scan file META-INF/maven/org.apache.commons/commons-lang3/pom.xml in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar with scanner SubTypesScanner (org.reflections.Reflections)
[2018-06-14 14:21:28,414] WARN could not get type for name com.tm.kafka.connect.rest.converter.PayloadToSourceRecordConverter from any class loader (org.reflections.Reflections)
org.reflections.ReflectionsException: could not get type for name com.tm.kafka.connect.rest.converter.PayloadToSourceRecordConverter
Caused by: java.lang.ClassNotFoundException: com.tm.kafka.connect.rest.converter.PayloadToSourceRecordConverter
[2018-06-14 14:21:28,420] WARN could not get type for name com.tm.kafka.connect.rest.converter.SinkRecordToPayloadConverter from any class loader (org.reflections.Reflections)
org.reflections.ReflectionsException: could not get type for name com.tm.kafka.connect.rest.converter.SinkRecordToPayloadConverter
Caused by: java.lang.ClassNotFoundException: com.tm.kafka.connect.rest.converter.SinkRecordToPayloadConverter
[2018-06-14 14:21:28,429] WARN could not get type for name com.tm.kafka.connect.rest.selector.TopicSelector from any class loader (org.reflections.Reflections)
org.reflections.ReflectionsException: could not get type for name com.tm.kafka.connect.rest.selector.TopicSelector
Caused by: java.lang.ClassNotFoundException: com.tm.kafka.connect.rest.selector.TopicSelector
[2018-06-14 14:21:28,460] INFO Registered loader: PluginClassLoader{pluginLocation=file:/jars/kafka-connect-rest-1.0-SNAPSHOT-shaded.jar} (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
[2018-06-14 14:21:28,460] INFO Added plugin 'com.tm.kafka.connect.rest.RestSinkConnector' (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
[2018-06-14 14:21:28,461] INFO Added plugin 'com.tm.kafka.connect.rest.RestSourceConnector' (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
[2018-06-14 14:21:28,470] INFO Loading plugin from: /jars/kafka-connect-rest-1.0-SNAPSHOT.jar (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
[2018-06-14 14:21:28,471] DEBUG Loading plugin urls: [file:/jars/kafka-connect-rest-1.0-SNAPSHOT.jar] (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
file:/jars/kafka-connect-rest-1.0-SNAPSHOT.jar (org.reflections.Reflections)
[2018-06-14 14:21:28,471] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/jars/kafka-connect-rest-1.0-SNAPSHOT.jar (org.reflections.Reflections)
[2018-06-14 14:21:28,471] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT.jar with scanner SubTypesScanner (org.reflections.Reflections)
[2018-06-14 14:21:28,474] DEBUG could not scan file META-INF/maven/com.tm.kafka/kafka-connect-rest/pom.xml in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT.jar with scanner SubTypesScanner (org.reflections.Reflections)
org.reflections.ReflectionsException: could not create class object from file META-INF/maven/com.tm.kafka/kafka-connect-rest/pom.xml
[2018-06-14 14:21:28,474] DEBUG could not scan file META-INF/maven/com.tm.kafka/kafka-connect-rest/pom.properties in url file:/jars/kafka-connect-rest-1.0-SNAPSHOT.jar with scanner SubTypesScanner (org.reflections.Reflections)
org.reflections.ReflectionsException: could not create class object from file META-INF/maven/com.tm.kafka/kafka-connect-rest/pom.properties
[2018-06-14 14:21:28,475] WARN could not get type for name com.tm.kafka.connect.rest.selector.TopicSelector from any class loader (org.reflections.Reflections)
org.reflections.ReflectionsException: could not get type for name com.tm.kafka.connect.rest.selector.TopicSelector
Caused by: java.lang.ClassNotFoundException: com.tm.kafka.connect.rest.selector.TopicSelector
[2018-06-14 14:21:28,475] WARN could not get type for name com.tm.kafka.connect.rest.converter.SinkRecordToPayloadConverter from any class loader (org.reflections.Reflections)
org.reflections.ReflectionsException: could not get type for name com.tm.kafka.connect.rest.converter.SinkRecordToPayloadConverter
Caused by: java.lang.ClassNotFoundException: com.tm.kafka.connect.rest.converter.SinkRecordToPayloadConverter
[2018-06-14 14:21:28,475] WARN could not get type for name com.tm.kafka.connect.rest.converter.PayloadToSourceRecordConverter from any class loader (org.reflections.Reflections)
org.reflections.ReflectionsException: could not get type for name com.tm.kafka.connect.rest.converter.PayloadToSourceRecordConverter
Caused by: java.lang.ClassNotFoundException: com.tm.kafka.connect.rest.converter.PayloadToSourceRecordConverter
[2018-06-14 14:21:28,483] INFO Registered loader: PluginClassLoader{pluginLocation=file:/jars/kafka-connect-rest-1.0-SNAPSHOT.jar} (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
[2018-06-14 14:21:28,493] WARN could not get type for name com.tm.kafka.connect.rest.selector.TopicSelector from any class loader (org.reflections.Reflections)
org.reflections.ReflectionsException: could not get type for name com.tm.kafka.connect.rest.selector.TopicSelector
Caused by: java.lang.ClassNotFoundException: com.tm.kafka.connect.rest.selector.TopicSelector
[2018-06-14 14:21:28,493] WARN could not get type for name com.tm.kafka.connect.rest.converter.SinkRecordToPayloadConverter from any class loader (org.reflections.Reflections)
org.reflections.ReflectionsException: could not get type for name com.tm.kafka.connect.rest.converter.SinkRecordToPayloadConverter
Caused by: java.lang.ClassNotFoundException: com.tm.kafka.connect.rest.converter.SinkRecordToPayloadConverter
[2018-06-14 14:21:28,493] WARN could not get type for name com.tm.kafka.connect.rest.converter.PayloadToSourceRecordConverter from any class loader (org.reflections.Reflections)
org.reflections.ReflectionsException: could not get type for name com.tm.kafka.connect.rest.converter.PayloadToSourceRecordConverter
Caused by: java.lang.ClassNotFoundException: com.tm.kafka.connect.rest.converter.PayloadToSourceRecordConverter
rest.advertised.host.name = kafka-connect
rest.advertised.listener = null
rest.advertised.port = null
rest.host.name = kafka-connect
rest.port = 8083
[2018-06-14 14:21:30,375] WARN The configuration 'rest.advertised.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
[2018-06-14 14:21:30,375] WARN The configuration 'rest.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
[2018-06-14 14:21:30,375] WARN The configuration 'rest.port' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
[2018-06-14 14:21:30,594] INFO Added connector for http://kafka-connect:8083 (org.apache.kafka.connect.runtime.rest.RestServer)
[2018-06-14 14:21:30,699] INFO Advertised URI: http://kafka-connect:8083/ (org.apache.kafka.connect.runtime.rest.RestServer)
[2018-06-14 14:21:30,866] INFO Starting REST server (org.apache.kafka.connect.runtime.rest.RestServer)
[2018-06-14 14:21:30,869] WARN The configuration 'rest.advertised.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
[2018-06-14 14:21:30,869] WARN The configuration 'rest.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
[2018-06-14 14:21:30,869] WARN The configuration 'rest.port' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
[2018-06-14 14:21:31,001] WARN The configuration 'rest.advertised.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.producer.ProducerConfig)
[2018-06-14 14:21:31,001] WARN The configuration 'rest.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.producer.ProducerConfig)
[2018-06-14 14:21:31,001] WARN The configuration 'rest.port' was supplied but isn't a known config. (org.apache.kafka.clients.producer.ProducerConfig)
[2018-06-14 14:21:31,021] WARN The configuration 'rest.advertised.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
[2018-06-14 14:21:31,021] WARN The configuration 'rest.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
[2018-06-14 14:21:31,021] WARN The configuration 'rest.port' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
[2018-06-14 14:21:31,047] WARN The configuration 'rest.advertised.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
[2018-06-14 14:21:31,047] WARN The configuration 'rest.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
[2018-06-14 14:21:31,047] WARN The configuration 'rest.port' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
[2018-06-14 14:21:31,161] WARN The configuration 'rest.advertised.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.producer.ProducerConfig)
[2018-06-14 14:21:31,161] WARN The configuration 'rest.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.producer.ProducerConfig)
[2018-06-14 14:21:31,161] WARN The configuration 'rest.port' was supplied but isn't a known config. (org.apache.kafka.clients.producer.ProducerConfig)
[2018-06-14 14:21:31,164] WARN The configuration 'rest.advertised.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
[2018-06-14 14:21:31,164] WARN The configuration 'rest.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
[2018-06-14 14:21:31,164] WARN The configuration 'rest.port' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
[2018-06-14 14:21:31,222] WARN The configuration 'rest.advertised.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
[2018-06-14 14:21:31,222] WARN The configuration 'rest.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
[2018-06-14 14:21:31,222] WARN The configuration 'rest.port' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
Jun 14, 2018 2:21:31 PM org.glassfish.jersey.internal.Errors logErrors
WARNING: The following warnings have been detected: WARNING: The (sub)resource method createConnector in org.apache.kafka.connect.runtime.rest.resources.ConnectorsResource contains empty path annotation.
WARNING: The (sub)resource method listConnectors in org.apache.kafka.connect.runtime.rest.resources.ConnectorsResource contains empty path annotation.
WARNING: The (sub)resource method listConnectorPlugins in org.apache.kafka.connect.runtime.rest.resources.ConnectorPluginsResource contains empty path annotation.
WARNING: The (sub)resource method serverInfo in org.apache.kafka.connect.runtime.rest.resources.RootResource contains empty path annotation.
[2018-06-14 14:21:31,311] INFO Advertised URI: http://kafka-connect:8083/ (org.apache.kafka.connect.runtime.rest.RestServer)
[2018-06-14 14:21:31,311] INFO REST server listening at http://kafka-connect:8083/, advertising URL http://kafka-connect:8083/ (org.apache.kafka.connect.runtime.rest.RestServer)
[2018-06-14 14:21:31,331] WARN The configuration 'rest.advertised.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.producer.ProducerConfig)
[2018-06-14 14:21:31,331] WARN The configuration 'rest.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.producer.ProducerConfig)
[2018-06-14 14:21:31,331] WARN The configuration 'rest.port' was supplied but isn't a known config. (org.apache.kafka.clients.producer.ProducerConfig)
[2018-06-14 14:21:31,333] WARN The configuration 'rest.advertised.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
[2018-06-14 14:21:31,333] WARN The configuration 'rest.host.name' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
[2018-06-14 14:21:31,333] WARN The configuration 'rest.port' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
[2018-06-14 14:21:31,347] DEBUG Updating configuration for connector RestSinkConnector configuration: {connector.class=com.tm.kafka.connect.rest.RestSinkConnector, res .sink.method=POST, rest.sink.payload.converter.schema=true, tasks.max=1, topics=wimt_collaudo, rest.sink.properties=Content-Type:application/json, name=RestSinkConnector, rest.sink.url=http://webservice:8080/count, rest.sink.payload.converter.class=com.tm.kafka.connect.rest.converter.JsonPayloadConverter} (org.apache.kafka.connect.storage.KafkaConfigBackingStore)
[2018-06-14 14:21:31,347] DEBUG Storing new config for task RestSinkConnector-0 this will wait for a commit message before the new config will take effect. New config: {connector.class=com.tm.kafka.connect.rest.RestSinkConnector, task.class=com.tm.kafka.connect.rest.RestSinkTask, rest.sink.method=POST, rest.sink.payload.converter.schema=true, tasks.max=1, topics=wimt_collaudo, rest.sink.properties=Content-Type:application/json, name=RestSinkConnector, rest.sink.url=http://webservice:8080/count, res .sink.payload.converter.class=com.tm.kafka.connect.rest.converter.JsonPayloadConverter} (org.apache.kafka.connect.storage.KafkaConfigBackingStore)
connector.class = com.tm.kafka.connect.rest.RestSinkConnector
connector.class = com.tm.kafka.connect.rest.RestSinkConnector
connector.class = com.tm.kafka.connect.rest.RestSinkConnector
connector.class = com.tm.kafka.connect.rest.RestSinkConnector
[2018-06-14 14:21:34,859] DEBUG Getting plugin class loader for connector: 'com.tm.kafka.connect.rest.RestSinkConnector' (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
[2018-06-14 14:21:34,859] INFO Creating connector RestSinkConnector of type com.tm.kafka.connect.rest.RestSinkConnector (org.apache.kafka.connect.runtime.Worker)
task.class = class com.tm.kafka.connect.rest.RestSinkTask
[2018-06-14 14:21:34,860] INFO Instantiated task RestSinkConnector-0 with version 1.0-SNAPSHOT of type com.tm.kafka.connect.rest.RestSinkTask (org.apache.kafka.connect.runtime.Worker)
[2018-06-14 14:21:34,862] INFO Instantiated connector RestSinkConnector with version 1.0-SNAPSHOT of type class com.tm.kafka.connect.rest.RestSinkConnector (org.apache.kafka.connect.runtime.Worker)
[2018-06-14 14:21:34,862] DEBUG Getting plugin class loader for connector: 'com.tm.kafka.connect.rest.RestSinkConnector' (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
[2018-06-14 14:21:34,862] DEBUG WorkerConnector{id=RestSinkConnector} Initializing connector RestSinkConnector with config {connector.class=com.tm.kafka.connect.rest.RestSinkConnector, rest.sink.method=POST, rest.sink.payload.converter.schema=true, tasks.max=1, topics=wimt_collaudo, rest.sink.properties=Content-Type:application/json, name=RestSinkConnector, rest.sink.url=http://webservice:8080/count, rest.sink.payload.converter.class=com.tm.kafka.connect.rest.converter.JsonPayloadConverter} (org.apache.kafka.connect.runtime.WorkerConnector)
rest.sink.method = POST
rest.sink.payload.converter.class = class com.tm.kafka.connect.rest.converter.JsonPayloadConverter
rest.sink.payload.converter.schema = true
rest.sink.properties = [Content-Type:application/json]
rest.sink.retry.backoff.ms = 5000
rest.sink.url = http://webservice:8080/count
rest.sink.velocity.template = rest.vm
(com.tm.kafka.connect.rest.RestSinkConnectorConfig)
[2018-06-14 14:21:34,890] DEBUG Getting plugin class loader for connector: 'com.tm.kafka.connect.rest.RestSinkConnector' (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
connector.class = com.tm.kafka.connect.rest.RestSinkConnector
connector.class = com.tm.kafka.connect.rest.RestSinkConnector
[2018-06-14 14:21:34,890] DEBUG Getting plugin class loader for connector: 'com.tm.kafka.connect.rest.RestSinkConnector' (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader)
rest.sink.method = POST
rest.sink.payload.converter.class = class com.tm.kafka.connect.rest.converter.JsonPayloadConverter
rest.sink.payload.converter.schema = true
rest.sink.properties = [Content-Type:application/json]
rest.sink.retry.backoff.ms = 5000
rest.sink.url = http://webservice:8080/count
rest.sink.velocity.template = rest.vm
(com.tm.kafka.connect.rest.RestSinkConnectorConfig)
[2018-06-14 14:21:37,961] ERROR WorkerSinkTask{id=RestSinkConnector-0} Task is being killed and will not recover until manually restarted (org.apache.kafka.connect.runtime.WorkerTask)
[2018-06-14 14:21:37,961] DEBUG Stopping sink task, setting client to null (com.tm.kafka.connect.rest.RestSinkTask)