[jira] [Created] (SPARK-4626) NoSuchElementException in CoarseGrainedSchedulerBackend

["Victor Tso (JIRA)" <ji...@apache.org>]

Victor Tso created SPARK-4626:
---------------------------------

             Summary: 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: 1.1.0
            Reporter: Victor Tso
            Priority: Blocker


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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