[jira] [Commented] (FLINK-15388) The assigned slot bae00218c818157649eb9e3c533b86af_32 was removed.

["Xintong Song (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-15388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17003057#comment-17003057 ] 

Xintong Song commented on FLINK-15388:
--------------------------------------

Hi [~hiliuxg],
The exception "slot was removed" usually indicates that the corresponding task manager failed. We need to look into the task manager log to find out why it failed.

> The assigned slot bae00218c818157649eb9e3c533b86af_32 was removed.
> ------------------------------------------------------------------
>
>                 Key: FLINK-15388
>                 URL: https://issues.apache.org/jira/browse/FLINK-15388
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Task
>    Affects Versions: 1.8.0
>         Environment: model : standalone,not yarn
> version :  flink 1.8.0
> configration : 
> jobmanager.heap.size: 4096m
> taskmanager.heap.size: 144gb
> taskmanager.numberOfTaskSlots: 48
> taskmanager.memory.fraction: 0.7
> taskmanager.memory.off-heap: false
> parallelism.default: 1
>  
>            Reporter: hiliuxg
>            Priority: Major
>
> the taskmanager's slot was removed , there was not full gc or oom , what's the problem ? the error bellow
> {code:java}
> org.apache.flink.util.FlinkException: The assigned slot bae00218c818157649eb9e3c533b86af_32 was removed.
>  at org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager.removeSlot(SlotManager.java:893)
>  at org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager.removeSlots(SlotManager.java:863)
>  at org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager.internalUnregisterTaskManager(SlotManager.java:1058)
>  at org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager.unregisterTaskManager(SlotManager.java:385)
>  at org.apache.flink.runtime.resourcemanager.ResourceManager.closeTaskManagerConnection(ResourceManager.java:847)
>  at org.apache.flink.runtime.resourcemanager.ResourceManager$TaskManagerHeartbeatListener$1.run(ResourceManager.java:1161)
>  at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRunAsync(AkkaRpcActor.java:392)
>  at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:185)
>  at org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:74)
>  at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.onReceive(AkkaRpcActor.java:147)
>  at org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.onReceive(FencedAkkaRpcActor.java:40)
>  at akka.actor.UntypedActor$$anonfun$receive$1.applyOrElse(UntypedActor.scala:165)
>  at akka.actor.Actor$class.aroundReceive(Actor.scala:502)
>  at akka.actor.UntypedActor.aroundReceive(UntypedActor.scala:95)
>  at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526)
>  at akka.actor.ActorCell.invoke(ActorCell.scala:495)
>  at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257)
>  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)
> {code}



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