[jira] [Created] (FLINK-22327) NPE exception happens if it throws exception in finishBundle during job shutdown

[Shang Yuanchun (Jira)]

Dian Fu created FLINK-22327:
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             Summary: NPE exception happens if it throws exception in finishBundle during job shutdown
                 Key: FLINK-22327
                 URL: https://issues.apache.org/jira/browse/FLINK-22327
             Project: Flink
          Issue Type: Bug
          Components: API / Python
            Reporter: Dian Fu
            Assignee: Dian Fu
             Fix For: 1.13.0, 1.12.3


Currently, if it throws exceptions in finishBundle during job shutdown, NPE exception may happen if time-based finish bundle is scheduled. It caused the actual exception isn't propagate. This makes users very difficult to trouble shot the problem.

See http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/PyFlink-called-already-closed-and-NullPointerException-td42997.html for more details.



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