[SPARK-4626] NoSuchElementException in CoarseGrainedSchedulerBackend

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.0.2
• Fix Version/s: 1.1.2, 1.2.0
• Component/s: Spark Core
• Assignee: Victor Tso
• Reporter: Victor Tso
• Created: 26/Nov/14 17:08
• Updated: 28/Nov/14 08:37
• Resolved: 27/Nov/14 23:55

Description

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

Issue Links

• links to: [Github] Pull Request #3483 (roxchkplusony)
• links to: [Github] Pull Request #3502 (roxchkplusony)
• links to: [Github] Pull Request #3503 (roxchkplusony)