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  1. Apache Storm
  2. STORM-2779

NPE on shutting down WindowedBoltExecutor

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      Description

      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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            • Assignee:
              kabhwan Jungtaek Lim
              Reporter:
              kabhwan Jungtaek Lim
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