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https://issues.apache.org/jira/browse/SPARK-4626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14226514#comment-14226514
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Apache Spark commented on SPARK-4626:
-------------------------------------
User 'roxchkplusony' has created a pull request for this issue:
https://github.com/apache/spark/pull/3483
> NoSuchElementException in CoarseGrainedSchedulerBackend
> -------------------------------------------------------
>
> Key: SPARK-4626
> URL: https://issues.apache.org/jira/browse/SPARK-4626
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 1.0.2
> Reporter: Victor Tso
>
> 26 Nov 2014 06:38:21,330 ERROR [spark-akka.actor.default-dispatcher-22]
> OneForOneStrategy - key not found: 0
> java.util.NoSuchElementException: key not found: 0
> at scala.collection.MapLike$class.default(MapLike.scala:228)
> at scala.collection.AbstractMap.default(Map.scala:58)
> at scala.collection.mutable.HashMap.apply(HashMap.scala:64)
> at
> org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend$DriverActor$$anonfun$receive$1.applyOrElse(CoarseGrainedSchedulerBackend.scala:106)
> at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498)
> at akka.actor.ActorCell.invoke(ActorCell.scala:456)
> at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
> at akka.dispatch.Mailbox.run(Mailbox.scala:219)
> at
> akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:386)
> 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)
> This came on the heels of a lot of lost executors with error messages like:
> 26 Nov 2014 06:38:20,330 ERROR [spark-akka.actor.default-dispatcher-15]
> TaskSchedulerImpl - Lost executor 31 on xxx: remote Akka client disassociated
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