Github user steveloughran commented on the issue: https://github.com/apache/spark/pull/17364 Created [SPARK-20045](https://issues.apache.org/jira/browse/SPARK-20045). I think there's room to improve resilience in the abort code, primarily to ensure that the underlying failure cause doesn't get lost. The codepath there is fairly complex and I'm not going to point at a snippet and say "here". Some faulting mock committer would probably be the actual first step: show the problems, then fix.
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