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https://issues.apache.org/jira/browse/FLINK-9838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16549148#comment-16549148
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ASF GitHub Bot commented on FLINK-9838:
---------------------------------------
Github user yanghua commented on the issue:
https://github.com/apache/flink/pull/6373
+1
> Slot request failed Exceptions after completing a job
> -----------------------------------------------------
>
> Key: FLINK-9838
> URL: https://issues.apache.org/jira/browse/FLINK-9838
> Project: Flink
> Issue Type: Bug
> Components: Distributed Coordination
> Affects Versions: 1.5.1, 1.6.0
> Reporter: Nico Kruber
> Assignee: Till Rohrmann
> Priority: Major
> Labels: pull-request-available
>
> Currently, after a job finished, e.g. the following one, several exceptions
> are logged (at INFO level) about failed slot requests although the job has
> run successfully.
> {code}
> StreamExecutionEnvironment env =
> StreamExecutionEnvironment.getExecutionEnvironment();
> env.fromElements(1, 2, 3, 4).print();
> env.execute();
> {code}
> {code}
> 16:28:16,106 INFO
> org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Closing
> the SlotManager.
> 16:28:16,106 INFO
> org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager -
> Suspending the SlotManager.
> 16:28:16,106 INFO
> org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager -
> Unregister TaskManager aa20e76adb9aee0cdadc50dbc06ea208 from the SlotManager.
> 16:28:16,107 INFO
> org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Slot
> request with allocation id f99ff6d66f7bc618a9ee6e9470e0cdb1 for job
> 1bdaafd1072e210790790b99e7741b6a failed.
> org.apache.flink.util.FlinkException: The assigned slot
> b21f8807-5d0a-4e53-9e55-b6522b4a41c0_0 was removed.
> at
> org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager.removeSlot(SlotManager.java:786)
> at
> org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager.removeSlots(SlotManager.java:756)
> at
> org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager.internalUnregisterTaskManager(SlotManager.java:948)
> at
> org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager.unregisterTaskManager(SlotManager.java:372)
> at
> org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager.suspend(SlotManager.java:234)
> at
> org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager.close(SlotManager.java:251)
> at
> org.apache.flink.runtime.resourcemanager.ResourceManager.postStop(ResourceManager.java:224)
> at
> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.postStop(AkkaRpcActor.java:105)
> at
> org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.postStop(FencedAkkaRpcActor.java:40)
> at akka.actor.Actor$class.aroundPostStop(Actor.scala:515)
> at akka.actor.UntypedActor.aroundPostStop(UntypedActor.scala:95)
> at
> akka.actor.dungeon.FaultHandling$class.akka$actor$dungeon$FaultHandling$$finishTerminate(FaultHandling.scala:210)
> at
> akka.actor.dungeon.FaultHandling$class.terminate(FaultHandling.scala:172)
> at akka.actor.ActorCell.terminate(ActorCell.scala:374)
> at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:467)
> at akka.actor.ActorCell.systemInvoke(ActorCell.scala:483)
> at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:282)
> at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:260)
> at akka.dispatch.Mailbox.run(Mailbox.scala:224)
> at akka.dispatch.Mailbox.exec(Mailbox.scala:234)
> at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
> at
> scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
> at
> scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> at
> scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> 16:28:16,109 INFO org.apache.flink.runtime.taskexecutor.TaskExecutor
> - Stopping TaskExecutor akka://flink/user/taskmanager_0.
> 16:28:16,110 INFO
> org.apache.flink.runtime.state.TaskExecutorLocalStateStoresManager -
> Shutting down TaskExecutorLocalStateStoresManager.
> 16:28:16,109 INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher
> - Stopping dispatcher
> akka://flink/user/dispatcher421f3c27-5248-40d4-b219-f0c23480bd6f.
> 16:28:16,111 INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher
> - Stopping all currently running jobs of dispatcher
> akka://flink/user/dispatcher421f3c27-5248-40d4-b219-f0c23480bd6f.
> ...
> {code}
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