【Flink】JobManager responsible for xx lost the leadership

1.概述

Flink程序报错

org.apache.flink.util.FlinkException: JobManager responsible for 90ddec8984661c92393e8dade3a0aeb1 lost the leadership.
  at org.apache.flink.runtime.taskexecutor.TaskExecutor.closeJobManagerConnection(TaskExecutor.java:1277)
  at org.apache.flink.runtime.taskexecutor.TaskExecutor.access$1300(TaskExecutor.java:148)
  at org.apache.flink.runtime.taskexecutor.TaskExecutor$JobManagerHeartbeatListener.notifyHeartbeatTimeout(TaskExecutor.java:1797)
  at org.apache.flink.runtime.heartbeat.HeartbeatMonitorImpl.run(HeartbeatMonitorImpl.java:109)
  at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRunAsync(AkkaRpcActor.java:397)
  at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:190)
  at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:152)
  at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26)
  at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21)
  at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:123)
  at akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:21)
  at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:170)
  at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)
  at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)
  at akka.actor.Actor$class.aroundReceive(Actor.scala:517)
  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$WorkQueue.runTask(ForkJoinPool.java:1339)
  at akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
  at akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
Caused by: java.util.concurrent.TimeoutException: The heartbeat of JobManager with id 07171ebd4b728ecbabcfee6c32a1a00a timed out.
  at org.apache.flink.runtime.taskexecutor.TaskExecutor$JobManagerHeartbeatListener.notifyHeartbeatTimeout(TaskExecutor.java:1798)
  ... 24 more