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From "Aljoscha Krettek (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-2133) Possible deadlock in ExecutionGraph
Date Tue, 02 Jun 2015 12:34:17 GMT
Aljoscha Krettek created FLINK-2133:
---------------------------------------

             Summary: Possible deadlock in ExecutionGraph
                 Key: FLINK-2133
                 URL: https://issues.apache.org/jira/browse/FLINK-2133
             Project: Flink
          Issue Type: Bug
            Reporter: Aljoscha Krettek


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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