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https://issues.apache.org/jira/browse/FLINK-31463?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17790377#comment-17790377
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Xinglong Wang commented on FLINK-31463:
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[~martijnvisser] How to solve this question?
> When I use apache flink1.12.2 version, the following akka error often occurs.
> -----------------------------------------------------------------------------
>
> Key: FLINK-31463
> URL: https://issues.apache.org/jira/browse/FLINK-31463
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Network
> Affects Versions: 1.15.4
> Reporter: Zhuang Liu
> Priority: Major
>
> When I use apache flink1.12.2 version, the following akka error often occurs.
> java.util.concurrent.TimeoutException: Remote system has been silent for too
> long. (more than 48.0 hours)
> at
> akka.remote.ReliableDeliverySupervisor$$anonfun$idle$1.applyOrElse(Endpoint.scala:375)
> at akka.actor.Actor$class.aroundReceive(Actor.scala:502)
> at akka.remote.ReliableDeliverySupervisor.aroundReceive(Endpoint.scala:203)
> 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)
> ------------------------------------------------------------------------------------------------
> I checked that 48 hours ago, there was indeed a process hang inside flink,
> and the flink job was restarted.How to deal with this? Is this a bug in akka
> or flink? Thank you !
>
>
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