TM 心跳超时有以下几种常见的原因：
1. 网络抖动
2. TM 丢失，进程挂掉了、被杀了之类的
3. JM 或 TM 由于 GC 等原因，未能及时响应处理心跳
建议排查下对应 TM 的日志，以及 JM/TM 的 GC 日志。
Thank you~
Xintong Song
On Tue, Oct 27, 2020 at 1:46 PM freeza1...@outlook.com <
freeza1...@outlook.com> wrote:
> Hi all：
> flink standalone模式， 3节点，1master，3slave， 创建了1个job运行到一定时间，有将近5天，就会报错
> Heartbeat of TaskManager with id a2d4661d77371163f4c2bad51024df9e timed
> out，然后有1个节点的taskmanager就用不了了。请问这个是什么原因？如何排查？
>
> 异常信息如下：
> java.util.concurrent.TimeoutException: Heartbeat of TaskManager with id
> a2d4661d77371163f4c2bad51024df9e timed out.
> at
> org.apache.flink.runtime.jobmaster.JobMaster$TaskManagerHeartbeatListener.notifyHeartbeatTimeout(JobMaster.java:1147)
> at
> org.apache.flink.runtime.heartbeat.HeartbeatMonitorImpl.run(HeartbeatMonitorImpl.java:109)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRunAsync(AkkaRpcActor.java:402)
> at
> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:195)
> at
> org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:74)
> at
> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:152)
> at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26)
> at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21)
> at scala.PartialFunction.applyOrElse(PartialFunction.scala:123)
> at scala.PartialFunction.applyOrElse$(PartialFunction.scala:122)
> at akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:21)
> at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)
> at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:172)
> at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:172)
> at akka.actor.Actor.aroundReceive(Actor.scala:517)
> at akka.actor.Actor.aroundReceive$(Actor.scala:515)
> at akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:225)
> at akka.actor.ActorCell.receiveMessage(ActorCell.scala:592)
> at akka.actor.ActorCell.invoke(ActorCell.scala:561)
> at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:258)
> at akka.dispatch.Mailbox.run(Mailbox.scala:225)
> at akka.dispatch.Mailbox.exec(Mailbox.scala:235)
> at akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
> at
> akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
> at akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> at
> akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> 2020-10-23 15:40:23,197 INFO
> org.apache.flink.runtime.executiongraph.failover.flip1.RestartPipelinedRegionStrategy
> - Calculating tasks to restart to recover the failed task
> c59b7af815032e363d2ad399c0896984_3.
> 2020-10-23 15:40:23,197 INFO
> org.apache.flink.runtime.executiongraph.failover.flip1.RestartPipelinedRegionStrategy
> - 8 tasks should be restarted to recover the failed task
> c59b7af815032e363d2ad399c0896984_3.
>
>
>
> freeza1...@outlook.com
>
