Hi Till, Thanks for the input. The error was in a training set which I found in the .out file of the taskmanager. I corrected that and I am getting some results.
Thanks and Regards, Debaditya On Mon, Aug 1, 2016 at 3:54 PM, Till Rohrmann <trohrm...@apache.org> wrote: > Hi Debaditya, > > could you check what the log of the presumably failed task manager says? > It might contain hints to what actually went wrong. > > Cheers, > Till > > On Mon, Aug 1, 2016 at 9:49 PM, Debaditya Roy <roydca...@gmail.com> wrote: > >> Hello users, >> >> I was running an experiment on a very simple cluster with two nodes (one >> jobmanager and another taskmanager). However after starting the execution, >> in a few seconds the program is aborted with the error. >> >> The program finished with the following exception: >> >> org.apache.flink.client.program.ProgramInvocationException: The program >> execution failed: Job execution failed. >> at org.apache.flink.client.program.Client.runBlocking(Client.java:381) >> at org.apache.flink.client.program.Client.runBlocking(Client.java:355) >> at >> org.apache.flink.streaming.api.environment.StreamContextEnvironment.execute(StreamContextEnvironment.java:65) >> at org.myorg.quickstart.Job.main(Job.java:55) >> 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:505) >> at >> org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:403) >> at org.apache.flink.client.program.Client.runBlocking(Client.java:248) >> at >> org.apache.flink.client.CliFrontend.executeProgramBlocking(CliFrontend.java:866) >> at org.apache.flink.client.CliFrontend.run(CliFrontend.java:333) >> at >> org.apache.flink.client.CliFrontend.parseParameters(CliFrontend.java:1192) >> at org.apache.flink.client.CliFrontend.main(CliFrontend.java:1243) >> Caused by: org.apache.flink.runtime.client.JobExecutionException: Job >> execution failed. >> at >> org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$7.apply$mcV$sp(JobManager.scala:717) >> at >> org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$7.apply(JobManager.scala:663) >> at >> org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$7.apply(JobManager.scala:663) >> at >> scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24) >> at >> scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24) >> at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:41) >> at >> akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:401) >> at >> scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) >> at >> scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) >> at >> scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) >> at >> scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) >> Caused by: java.lang.Exception: The slot in which the task was executed >> has been released. Probably loss of TaskManager >> 6d2c9d29eddb2a1497827217f4d9a6d1 @ parapluie-28 - 1 slots - URL: akka.tcp:// >> flink@172.16.99.28:60365/user/taskmanager >> at >> org.apache.flink.runtime.instance.SimpleSlot.releaseSlot(SimpleSlot.java:153) >> at >> org.apache.flink.runtime.instance.SlotSharingGroupAssignment.releaseSharedSlot(SlotSharingGroupAssignment.java:547) >> at >> org.apache.flink.runtime.instance.SharedSlot.releaseSlot(SharedSlot.java:119) >> at >> org.apache.flink.runtime.instance.Instance.markDead(Instance.java:156) >> at >> org.apache.flink.runtime.instance.InstanceManager.unregisterTaskManager(InstanceManager.java:215) >> at >> org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1.applyOrElse(JobManager.scala:850) >> at >> scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33) >> at >> scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33) >> at >> scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25) >> at >> org.apache.flink.runtime.LeaderSessionMessageFilter$$anonfun$receive$1.applyOrElse(LeaderSessionMessageFilter.scala:44) >> at >> scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33) >> at >> scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33) >> at >> scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25) >> at >> org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:33) >> at >> org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:28) >> at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:118) >> at >> org.apache.flink.runtime.LogMessages$$anon$1.applyOrElse(LogMessages.scala:28) >> at akka.actor.Actor$class.aroundReceive(Actor.scala:465) >> at >> org.apache.flink.runtime.jobmanager.JobManager.aroundReceive(JobManager.scala:107) >> at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516) >> at >> akka.actor.dungeon.DeathWatch$class.receivedTerminated(DeathWatch.scala:46) >> at akka.actor.ActorCell.receivedTerminated(ActorCell.scala:369) >> at akka.actor.ActorCell.autoReceiveMessage(ActorCell.scala:501) >> at akka.actor.ActorCell.invoke(ActorCell.scala:486) >> at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:254) >> at akka.dispatch.Mailbox.run(Mailbox.scala:221) >> at akka.dispatch.Mailbox.exec(Mailbox.scala:231) >> ... 4 more >> >> Can anyone having similar problem solved this issue. I am attaching the >> logs also. One of the logs say that the taskmanager ip is unreachable (but >> I have successfully pinged and ssh-ed from the job manager to the >> taskmanager). >> >> Thanks in advance, >> >> P.S: PFA the logs. >> >> Regards, >> Debaditya >> >> >
