Github user zhaorongsheng closed the pull request at:
https://github.com/apache/spark/pull/16394
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GitHub user zhaorongsheng opened a pull request:
https://github.com/apache/spark/pull/16394
[SPARK-18981][Core]The job hang problem when speculation is on
## What changes were proposed in this pull request?
The root cause of this issue is that `ExecutorAllocationListener`
