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https://issues.apache.org/jira/browse/SPARK-32436?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-32436:
----------------------------------
Description:
Although this is unused, this causes several UT failures in Scala 2.13 testing
because HighlyCompressedMapStatus.readExternal doesn't initialize this field.
{code}
Cause: java.lang.NoSuchFieldError: numNonEmptyBlocks
at
org.apache.spark.scheduler.HighlyCompressedMapStatus.<init>(MapStatus.scala:181)
at
org.apache.spark.scheduler.HighlyCompressedMapStatus$.apply(MapStatus.scala:280)
at org.apache.spark.scheduler.MapStatus$.apply(MapStatus.scala:73)
at
org.apache.spark.shuffle.sort.UnsafeShuffleWriter.closeAndWriteOutput(UnsafeShuffleWriter.java:231)
at
org.apache.spark.shuffle.sort.UnsafeShuffleWriter.write(UnsafeShuffleWriter.java:179)
at
org.apache.spark.shuffle.ShuffleWriteProcessor.write(ShuffleWriteProcessor.scala:59)
at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:99)
at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:52)
at org.apache.spark.scheduler.Task.run(Task.scala:127)
at
org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:464)
{code}
> Remove unused HighlyCompressedMapStatus.numNonEmptyBlocks
> ---------------------------------------------------------
>
> Key: SPARK-32436
> URL: https://issues.apache.org/jira/browse/SPARK-32436
> Project: Spark
> Issue Type: Sub-task
> Components: Spark Core
> Affects Versions: 3.1.0
> Reporter: Dongjoon Hyun
> Priority: Major
>
> Although this is unused, this causes several UT failures in Scala 2.13
> testing because HighlyCompressedMapStatus.readExternal doesn't initialize
> this field.
> {code}
> Cause: java.lang.NoSuchFieldError: numNonEmptyBlocks
> at
> org.apache.spark.scheduler.HighlyCompressedMapStatus.<init>(MapStatus.scala:181)
> at
> org.apache.spark.scheduler.HighlyCompressedMapStatus$.apply(MapStatus.scala:280)
> at org.apache.spark.scheduler.MapStatus$.apply(MapStatus.scala:73)
> at
> org.apache.spark.shuffle.sort.UnsafeShuffleWriter.closeAndWriteOutput(UnsafeShuffleWriter.java:231)
> at
> org.apache.spark.shuffle.sort.UnsafeShuffleWriter.write(UnsafeShuffleWriter.java:179)
> at
> org.apache.spark.shuffle.ShuffleWriteProcessor.write(ShuffleWriteProcessor.scala:59)
> at
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:99)
> at
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:52)
> at org.apache.spark.scheduler.Task.run(Task.scala:127)
> at
> org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:464)
> {code}
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