【Flink】FailOver显示TaskManager lost/killed-问答-阿里云开发者社区-阿里云

问题描述
如果遇到如下的异常：

java.lang.Exception: The assigned slot: SimpleSlot (1) - container_e05_1505041177764_25978_01_000033 @ hdpet2mainse011132138130.et2.tbsite.net (dataPort=59317) - ALLOCATED/ALIVE is asked to release from TaskManager: container_e05_1505041177764_25978_01_000033 @ hdpet2mainse011132138130.et2.tbsite.net (dataPort=59317), probably due to TaskManager lost/killed

at org.apache.flink.runtime.instance.SimpleSlot.releaseSlot(SimpleSlot.java:217)
at org.apache.flink.runtime.instance.SlotPool.releaseTaskManager(SlotPool.java:699)
at sun.reflect.GeneratedMethodAccessor44.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcInvocation(AkkaRpcActor.java:183)
at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:135)
at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.access$000(AkkaRpcActor.java:72)
at org.apache.flink.runtime.rpc.akka.AkkaRpcActor$1.apply(AkkaRpcActor.java:110)
at akka.actor.ActorCell$$anonfun$become$1.applyOrElse(ActorCell.scala:534)
at akka.actor.Actor$class.aroundReceive(Actor.scala:467)
at akka.actor.UntypedActor.aroundReceive(UntypedActor.scala:97)
at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516)
at akka.actor.ActorCell.invoke(ActorCell.scala:487)
at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238)
at akka.dispatch.Mailbox.run(Mailbox.scala:220)
at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:397)
at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)

问题原因
说明是任务有节点的Native Memory没有申请或者太小，被yarn kill了，一般是group by，join节点的state_size没有配置，默认为0，不会申请Native Memory。