这个应该不是root cause，slot was removed通常是tm挂掉了导致的，需要找下对应的tm日志看下挂掉的原因。
Thank you~ Xintong Song On Tue, Dec 24, 2019 at 10:06 PM hiliuxg <[email protected]> wrote: > 偶尔发现，分配好的slot突然就被remove了，导致作业重启，看不出是什么原因导致?CPU和FULL GC都没有，异常信息如下： > > org.apache.flink.util.FlinkException: The assigned slot > bae00218c818157649eb9e3c533b86af_11 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)
