Jungtaek Lim created STORM-2779:
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Summary: NPE on shutting down WindowedBoltExecutor
Key: STORM-2779
URL: https://issues.apache.org/jira/browse/STORM-2779
Project: Apache Storm
Issue Type: Bug
Components: storm-client
Affects Versions: 2.0.0, 1.2.0, 1.1.2
Reporter: Jungtaek Lim
Assignee: Jungtaek Lim
STORM-2724 introduced a bug on WindowedBoltExecutor which throws NPE when
shutting down WindowedBoltExecutor which has waterMarkEventGenerator field as
null.
https://github.com/apache/storm/blob/master/storm-client/src/jvm/org/apache/storm/topology/WindowedBoltExecutor.java#L330
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