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Posted to user@flink.apache.org by Debaditya Roy <ro...@gmail.com> on 2016/08/01 13:49:22 UTC

Loss of TaskManager Error

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

Re: Loss of TaskManager Error

Posted by Debaditya Roy <ro...@gmail.com>.
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 <tr...@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 <ro...@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
>>
>>
>

Re: Loss of TaskManager Error

Posted by Till Rohrmann <tr...@apache.org>.
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 <ro...@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
>
>