Hi, my flink job fails continously(sometimes behind minutes, sometimes behind hours) with the follwing exception.
Flink run configuration: run with yarn: -yn 2 -ys 5 -yjm 8192 -ymt 12288 streaming-job: kafka source and redis sink The program finished with the following exception: org.apache.flink.client.program.ProgramInvocationException: The program execution failed: Couldn't retrieve the JobExecutionResult from the JobManager. at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:492) at org.apache.flink.yarn.YarnClusterClient.submitJob(YarnClusterClient.java:215) at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:456) at org.apache.flink.streaming.api.environment.StreamContextEnvironment.execute(StreamContextEnvironment.java:66) at com.voith.cloud.app.timeseries.fasttrack.StreamToCache.main(StreamToCache.java:54) 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.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:525) at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:417) at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:396) at org.apache.flink.client.CliFrontend.executeProgram(CliFrontend.java:802) at org.apache.flink.client.CliFrontend.run(CliFrontend.java:282) at org.apache.flink.client.CliFrontend.parseParameters(CliFrontend.java:1054) at org.apache.flink.client.CliFrontend$1.call(CliFrontend.java:1101) at org.apache.flink.client.CliFrontend$1.call(CliFrontend.java:1098) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1692) at org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41) at org.apache.flink.client.CliFrontend.main(CliFrontend.java:1098) Caused by: org.apache.flink.runtime.client.JobExecutionException: Couldn't retrieve the JobExecutionResult from the JobManager. at org.apache.flink.runtime.client.JobClient.awaitJobResult(JobClient.java:300) at org.apache.flink.runtime.client.JobClient.submitJobAndWait(JobClient.java:387) at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:481) ... 21 more Caused by: org.apache.flink.runtime.client.JobClientActorConnectionTimeoutException: Lost connection to the JobManager. at org.apache.flink.runtime.client.JobClientActor.handleMessage(JobClientActor.java:219) at org.apache.flink.runtime.akka.FlinkUntypedActor.handleLeaderSessionID(FlinkUntypedActor.java:104) at org.apache.flink.runtime.akka.FlinkUntypedActor.onReceive(FlinkUntypedActor.java:71) 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) at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) and: