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https://issues.apache.org/jira/browse/SPARK-45776?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Yang Jie updated SPARK-45776:
-----------------------------
    Environment:     (was: {code:java}
def unregisterShuffle(shuffleId: Int): Unit = {
    shuffleStatuses.remove(shuffleId).foreach { shuffleStatus =>
      // SPARK-39553: Add protection for Scala 2.13 due to 
https://github.com/scala/bug/issues/12613
      // We should revert this if Scala 2.13 solves this issue.
      if (shuffleStatus != null) {
        shuffleStatus.invalidateSerializedMapOutputStatusCache()
        shuffleStatus.invalidateSerializedMergeOutputStatusCache()
      }
    }
  } {code}
This issue has been fixed in Scala 2.13.9.)

> Remove the defensive null check added in SPARK-39553.
> -----------------------------------------------------
>
>                 Key: SPARK-45776
>                 URL: https://issues.apache.org/jira/browse/SPARK-45776
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 4.0.0
>            Reporter: Yang Jie
>            Priority: Minor
>




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