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https://issues.apache.org/jira/browse/FLINK-8517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16383483#comment-16383483
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Nico Kruber commented on FLINK-8517:
------------------------------------
ok, I can reproduce it locally running the test multiple times - possibly a
race between {{TaskEventDispatcher#registerPartition}} and
{{TaskEventDispatcher#subscribeToEvent}}. I'll investigate further.
> StaticlyNestedIterationsITCase.testJobWithoutObjectReuse unstable on Travis
> ---------------------------------------------------------------------------
>
> Key: FLINK-8517
> URL: https://issues.apache.org/jira/browse/FLINK-8517
> Project: Flink
> Issue Type: Bug
> Components: DataSet API, Tests
> Affects Versions: 1.5.0
> Reporter: Till Rohrmann
> Priority: Blocker
> Labels: test-stability
> Fix For: 1.5.0, 1.4.3
>
>
> The {{StaticlyNestedIterationsITCase.testJobWithoutObjectReuse}} test case
> fails on Travis. This exception might be relevant:
> {code:java}
> org.apache.flink.runtime.client.JobExecutionException: Job execution failed.
> at
> org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$6.apply$mcV$sp(JobManager.scala:891)
> at
> org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$6.apply(JobManager.scala:834)
> at
> org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$6.apply(JobManager.scala:834)
> at
> scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24)
> at
> scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24)
> at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:39)
> at
> akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:415)
> at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
> at
> scala.concurrent.forkjoin.ForkJoinPool$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.IllegalStateException: Partition
> 557b069f2b89f8ba599e6ab0956a3f5a@58f1a6b7d8ae10b9141f17c08d06cecb not
> registered at task event dispatcher.
> at
> org.apache.flink.runtime.io.network.TaskEventDispatcher.subscribeToEvent(TaskEventDispatcher.java:107)
> at
> org.apache.flink.runtime.iterative.task.IterationHeadTask.initSuperstepBarrier(IterationHeadTask.java:242)
> at
> org.apache.flink.runtime.iterative.task.IterationHeadTask.run(IterationHeadTask.java:266)
> at
> org.apache.flink.runtime.operators.BatchTask.invoke(BatchTask.java:368)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:703)
> at java.lang.Thread.run(Thread.java:748){code}
>
> https://api.travis-ci.org/v3/job/333360156/log.txt
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