[jvm-packages] fix potential TaskFailedListener's callback won't be called #6612
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CodingCat
approved these changes
Jan 18, 2021
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@hcho3 could you review this change and check the CI issue? |
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Please rebase to master. |
there is possibility that onJobStart of TaskFailedListener won't be called, if the job is submitted before the other thread adds addSparkListener. detail can be found at dmlc#6019 (comment)
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there is a possibility that onJobStart of TaskFailedListener won't be called, if
the job is submitted before the other thread call addSparkListener.
detail can be found at #6019 (comment)