Yang Jie created SPARK-45776: -------------------------------- Summary: 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 Environment: {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. Reporter: Yang Jie
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