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https://issues.apache.org/jira/browse/SPARK-32210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17382131#comment-17382131
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Dongjoon Hyun commented on SPARK-32210:
---------------------------------------
There is a new observation of this situation in 3.1 from [~kazuyukitanimura].
> Failed to serialize large MapStatuses
> -------------------------------------
>
> Key: SPARK-32210
> URL: https://issues.apache.org/jira/browse/SPARK-32210
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.3.4, 3.1.2
> Reporter: Yuming Wang
> Priority: Major
>
> Driver side exception:
> {noformat}
> 20/07/07 02:22:26,366 ERROR [map-output-dispatcher-3]
> spark.MapOutputTrackerMaster:91 :
> java.lang.NegativeArraySizeException
> at
> org.apache.commons.io.output.ByteArrayOutputStream.toByteArray(ByteArrayOutputStream.java:322)
> at
> org.apache.spark.MapOutputTracker$.serializeMapStatuses(MapOutputTracker.scala:984)
> at
> org.apache.spark.ShuffleStatus$$anonfun$serializedMapStatus$2.apply$mcV$sp(MapOutputTracker.scala:228)
> at
> org.apache.spark.ShuffleStatus$$anonfun$serializedMapStatus$2.apply(MapOutputTracker.scala:222)
> at
> org.apache.spark.ShuffleStatus$$anonfun$serializedMapStatus$2.apply(MapOutputTracker.scala:222)
> at
> org.apache.spark.ShuffleStatus.withWriteLock(MapOutputTracker.scala:72)
> at
> org.apache.spark.ShuffleStatus.serializedMapStatus(MapOutputTracker.scala:222)
> at
> org.apache.spark.MapOutputTrackerMaster$MessageLoop.run(MapOutputTracker.scala:493)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> 20/07/07 02:22:26,366 ERROR [map-output-dispatcher-5]
> spark.MapOutputTrackerMaster:91 :
> java.lang.NegativeArraySizeException
> at
> org.apache.commons.io.output.ByteArrayOutputStream.toByteArray(ByteArrayOutputStream.java:322)
> at
> org.apache.spark.MapOutputTracker$.serializeMapStatuses(MapOutputTracker.scala:984)
> at
> org.apache.spark.ShuffleStatus$$anonfun$serializedMapStatus$2.apply$mcV$sp(MapOutputTracker.scala:228)
> at
> org.apache.spark.ShuffleStatus$$anonfun$serializedMapStatus$2.apply(MapOutputTracker.scala:222)
> at
> org.apache.spark.ShuffleStatus$$anonfun$serializedMapStatus$2.apply(MapOutputTracker.scala:222)
> at
> org.apache.spark.ShuffleStatus.withWriteLock(MapOutputTracker.scala:72)
> at
> org.apache.spark.ShuffleStatus.serializedMapStatus(MapOutputTracker.scala:222)
> at
> org.apache.spark.MapOutputTrackerMaster$MessageLoop.run(MapOutputTracker.scala:493)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> 20/07/07 02:22:26,366 ERROR [map-output-dispatcher-2]
> spark.MapOutputTrackerMaster:91 :
> {noformat}
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