$ docker exec -it flink-jobmanager cat /var/log/flink/flink.log | grep entrypoint | grep 'Hadoop version'
2018-07-25T00:19:46.142+0000 [org.apache.flink.runtime.entrypoint.ClusterEntrypoint] INFO Hadoop version: 2.8.1
Caused by: org.apache.flink.util.FlinkException: Failed to submit job d84cccd3bffcba1f243352a5e5ef99a9.
at org.apache.flink.runtime.dispatcher.Dispatcher.submitJob(Dispatcher.java:254)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcInvocation(AkkaRpcActor.java:247)
at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:162)
at org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:70)
at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.onReceive(AkkaRpcActor.java:142)
at org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.onReceive(FencedAkkaRpcActor.java:40)
at akka.actor.UntypedActor$$anonfun$receive$1.applyOrElse(UntypedActor.scala:165)
at akka.actor.Actor$class.aroundReceive(Actor.scala:502)
at akka.actor.UntypedActor.aroundReceive(UntypedActor.scala:95)
at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526)
at akka.actor.ActorCell.invoke(ActorCell.scala:495)
at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257)
at akka.dispatch.Mailbox.run(Mailbox.scala:224)
at akka.dispatch.Mailbox.exec(Mailbox.scala:234)
... 4 more
Caused by: org.apache.flink.runtime.client.JobExecutionException: Could not set up JobManager
at org.apache.flink.runtime.jobmaster.JobManagerRunner.<init>(JobManagerRunner.java:169)
at org.apache.flink.runtime.dispatcher.Dispatcher$DefaultJobManagerRunnerFactory.createJobManagerRunner(Dispatcher.java:885)
at org.apache.flink.runtime.dispatcher.Dispatcher.createJobManagerRunner(Dispatcher.java:287)
at org.apache.flink.runtime.dispatcher.Dispatcher.runJob(Dispatcher.java:277)
at org.apache.flink.runtime.dispatcher.Dispatcher.persistAndRunJob(Dispatcher.java:262)
at org.apache.flink.runtime.dispatcher.Dispatcher.submitJob(Dispatcher.java:249)
... 21 more
Caused by: org.apache.flink.runtime.client.JobExecutionException: Cannot initialize task 'DataSink (org.apache.flink.api.java.hadoop.mapreduce.HadoopOutputFormat@a3123a9)': Deserializing the OutputFormat (org.apache.flink.api.java.hadoop.mapreduce.HadoopOutputFormat@a3123a9) failed: unread block data
at org.apache.flink.runtime.executiongraph.ExecutionGraphBuilder.buildGraph(ExecutionGraphBuilder.java:220)
at org.apache.flink.runtime.executiongraph.ExecutionGraphBuilder.buildGraph(ExecutionGraphBuilder.java:100)
at org.apache.flink.runtime.jobmaster.JobMaster.createExecutionGraph(JobMaster.java:1150)
at org.apache.flink.runtime.jobmaster.JobMaster.createAndRestoreExecutionGraph(JobMaster.java:1130)
at org.apache.flink.runtime.jobmaster.JobMaster.<init>(JobMaster.java:298)
at org.apache.flink.runtime.jobmaster.JobManagerRunner.<init>(JobManagerRunner.java:151)
... 26 more
Caused by: java.lang.Exception: Deserializing the OutputFormat (org.apache.flink.api.java.hadoop.mapreduce.HadoopOutputFormat@a3123a9) failed: unread block data
at org.apache.flink.runtime.jobgraph.OutputFormatVertex.initializeOnMaster(OutputFormatVertex.java:63)
at org.apache.flink.runtime.executiongraph.ExecutionGraphBuilder.buildGraph(ExecutionGraphBuilder.java:216)
... 31 more
Caused by: java.lang.IllegalStateException: unread block data
at java.io.ObjectInputStream$BlockDataInputStream.setBlockDataMode(ObjectInputStream.java:2781)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1603)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2285)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2209)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2067)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1571)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:431)
at org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:488)
at org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:475)
at org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:463)
at org.apache.flink.util.InstantiationUtil.readObjectFromConfig(InstantiationUtil.java:424)
at org.apache.flink.runtime.operators.util.TaskConfig.getStubWrapper(TaskConfig.java:288)
at org.apache.flink.runtime.jobgraph.OutputFormatVertex.initializeOnMaster(OutputFormatVertex.java:60)
... 32 more