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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