Github user squito commented on the issue: https://github.com/apache/spark/pull/21041 @dongjoon-hyun thanks for reporting this. I think this is the same as https://issues.apache.org/jira/browse/SPARK-23894 . I am nearly certain its not directly caused by this change, but some existing race which has somehow become more common. I don't totally understand that issue yet -- I'll make a few comments, but would appreciate any help
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