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From "Yuming Wang (Jira)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-28839) ExecutorMonitor$Tracker NullPointerException
Date Wed, 21 Aug 2019 14:17:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-28839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16912323#comment-16912323
] 

Yuming Wang commented on SPARK-28839:
-------------------------------------

[~vanzin] I will provide more information if you need it.

> ExecutorMonitor$Tracker NullPointerException
> --------------------------------------------
>
>                 Key: SPARK-28839
>                 URL: https://issues.apache.org/jira/browse/SPARK-28839
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 3.0.0
>            Reporter: Yuming Wang
>            Priority: Major
>
> {noformat}
> 19/08/21 06:44:01 ERROR AsyncEventQueue: Listener ExecutorMonitor threw an exception
> java.lang.NullPointerException
> 	at org.apache.spark.scheduler.dynalloc.ExecutorMonitor$Tracker.removeShuffle(ExecutorMonitor.scala:479)
> 	at org.apache.spark.scheduler.dynalloc.ExecutorMonitor.$anonfun$cleanupShuffle$2(ExecutorMonitor.scala:408)
> 	at org.apache.spark.scheduler.dynalloc.ExecutorMonitor.$anonfun$cleanupShuffle$2$adapted(ExecutorMonitor.scala:407)
> 	at scala.collection.Iterator.foreach(Iterator.scala:941)
> 	at scala.collection.Iterator.foreach$(Iterator.scala:941)
> 	at scala.collection.AbstractIterator.foreach(Iterator.scala:1429)
> 	at scala.collection.IterableLike.foreach(IterableLike.scala:74)
> 	at scala.collection.IterableLike.foreach$(IterableLike.scala:73)
> 	at scala.collection.AbstractIterable.foreach(Iterable.scala:56)
> 	at org.apache.spark.scheduler.dynalloc.ExecutorMonitor.cleanupShuffle(ExecutorMonitor.scala:407)
> 	at org.apache.spark.scheduler.dynalloc.ExecutorMonitor.onOtherEvent(ExecutorMonitor.scala:351)
> 	at org.apache.spark.scheduler.SparkListenerBus.doPostEvent(SparkListenerBus.scala:82)
> 	at org.apache.spark.scheduler.SparkListenerBus.doPostEvent$(SparkListenerBus.scala:28)
> 	at org.apache.spark.scheduler.AsyncEventQueue.doPostEvent(AsyncEventQueue.scala:37)
> 	at org.apache.spark.scheduler.AsyncEventQueue.doPostEvent(AsyncEventQueue.scala:37)
> 	at org.apache.spark.util.ListenerBus.postToAll(ListenerBus.scala:99)
> 	at org.apache.spark.util.ListenerBus.postToAll$(ListenerBus.scala:84)
> 	at org.apache.spark.scheduler.AsyncEventQueue.super$postToAll(AsyncEventQueue.scala:102)
> 	at org.apache.spark.scheduler.AsyncEventQueue.$anonfun$dispatch$1(AsyncEventQueue.scala:102)
> 	at scala.runtime.java8.JFunction0$mcJ$sp.apply(JFunction0$mcJ$sp.java:23)
> 	at scala.util.DynamicVariable.withValue(DynamicVariable.scala:62)
> 	at org.apache.spark.scheduler.AsyncEventQueue.org$apache$spark$scheduler$AsyncEventQueue$$dispatch(AsyncEventQueue.scala:97)
> 	at org.apache.spark.scheduler.AsyncEventQueue$$anon$2.$anonfun$run$1(AsyncEventQueue.scala:93)
> 	at org.apache.spark.util.Utils$.tryOrStopSparkContext(Utils.scala:1319)
> 	at org.apache.spark.scheduler.AsyncEventQueue$$anon$2.run(AsyncEventQueue.scala:93)
> {noformat}



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