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https://issues.apache.org/jira/browse/SPARK-28839?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Marcelo Vanzin resolved SPARK-28839.
------------------------------------
Fix Version/s: 3.0.0
Resolution: Fixed
Issue resolved by pull request 25551
[https://github.com/apache/spark/pull/25551]
> ExecutorMonitor$Tracker NullPointerException
> --------------------------------------------
>
> Key: SPARK-28839
> URL: https://issues.apache.org/jira/browse/SPARK-28839
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 3.0.0
> Reporter: Yuming Wang
> Assignee: Hyukjin Kwon
> Priority: Major
> Fix For: 3.0.0
>
>
> {noformat}
> 19/08/21 06:44:01 ERROR AsyncEventQueue: Listener ExecutorMonitor threw an
> exception
> java.lang.NullPointerException
> at
> org.apache.spark.scheduler.dynalloc.ExecutorMonitor$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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