cloud-fan commented on issue #26975: [SPARK-30325][CORE] Stage retry and executor crash cause app hung up forever URL: https://github.com/apache/spark/pull/26975#issuecomment-568672632 I think the direct problem is, the task status is inconsistent: a task can satisfy both `successful(task.index)` and `task.running`. Such tasks will be handled twice in `executorLost` and mess up the internal status. A simple fix can be: change `task.running` to `!successful(task.index) && task.running` in `executorLost`
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