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Posted to issues@flink.apache.org by "Stephan Ewen (JIRA)" <ji...@apache.org> on 2015/06/05 23:26:00 UTC

[jira] [Resolved] (FLINK-2133) Possible deadlock in ExecutionGraph

     [ https://issues.apache.org/jira/browse/FLINK-2133?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephan Ewen resolved FLINK-2133.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 0.9
         Assignee: Stephan Ewen

Fixed via 2298cfedbf880b3a6065a307224c5f3e9e326a0b

> Possible deadlock in ExecutionGraph
> -----------------------------------
>
>                 Key: FLINK-2133
>                 URL: https://issues.apache.org/jira/browse/FLINK-2133
>             Project: Flink
>          Issue Type: Bug
>            Reporter: Aljoscha Krettek
>            Assignee: Stephan Ewen
>             Fix For: 0.9
>
>
> I had the following output on Travis:
> {code}
> Found one Java-level deadlock:
> =============================
> "ForkJoinPool-1-worker-3":
>   waiting to lock monitor 0x00007f1c54af7eb8 (object 0x00000000d77fa8c0, a org.apache.flink.runtime.util.SerializableObject),
>   which is held by "flink-akka.actor.default-dispatcher-4"
> "flink-akka.actor.default-dispatcher-4":
>   waiting to lock monitor 0x00007f1c5486aca0 (object 0x00000000d77fa218, a org.apache.flink.runtime.util.SerializableObject),
>   which is held by "ForkJoinPool-1-worker-3"
> Java stack information for the threads listed above:
> ===================================================
> "ForkJoinPool-1-worker-3":
> 	at org.apache.flink.runtime.executiongraph.ExecutionJobVertex.resetForNewExecution(ExecutionJobVertex.java:338)
> 	- waiting to lock <0x00000000d77fa8c0> (a org.apache.flink.runtime.util.SerializableObject)
> 	at org.apache.flink.runtime.executiongraph.ExecutionGraph.restart(ExecutionGraph.java:595)
> 	- locked <0x00000000d77fa218> (a org.apache.flink.runtime.util.SerializableObject)
> 	at org.apache.flink.runtime.executiongraph.ExecutionGraph$3.call(ExecutionGraph.java:733)
> 	at akka.dispatch.Futures$$anonfun$future$1.apply(Future.scala:94)
> 	at scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24)
> 	at scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24)
> 	at scala.concurrent.impl.ExecutionContextImpl$$anon$3.exec(ExecutionContextImpl.scala:107)
> 	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
> 	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
> 	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> "flink-akka.actor.default-dispatcher-4":
> 	at org.apache.flink.runtime.executiongraph.ExecutionGraph.jobVertexInFinalState(ExecutionGraph.java:683)
> 	- waiting to lock <0x00000000d77fa218> (a org.apache.flink.runtime.util.SerializableObject)
> 	at org.apache.flink.runtime.executiongraph.ExecutionJobVertex.subtaskInFinalState(ExecutionJobVertex.java:454)
> 	- locked <0x00000000d77fa8c0> (a org.apache.flink.runtime.util.SerializableObject)
> 	at org.apache.flink.runtime.executiongraph.ExecutionJobVertex.vertexCancelled(ExecutionJobVertex.java:426)
> 	at org.apache.flink.runtime.executiongraph.ExecutionVertex.executionCanceled(ExecutionVertex.java:565)
> 	at org.apache.flink.runtime.executiongraph.Execution.cancelingComplete(Execution.java:653)
> 	at org.apache.flink.runtime.executiongraph.ExecutionGraph.updateState(ExecutionGraph.java:784)
> 	at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$receiveWithLogMessages$1$$anonfun$applyOrElse$2.apply$mcV$sp(JobManager.scala:220)
> 	at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$receiveWithLogMessages$1$$anonfun$applyOrElse$2.apply(JobManager.scala:219)
> 	at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$receiveWithLogMessages$1$$anonfun$applyOrElse$2.apply(JobManager.scala:219)
> 	at scala.concurrent.impl.Future$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.pollAndExecAll(ForkJoinPool.java:1253)
> 	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1346)
> 	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> Found 1 deadlock.
> {code}



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