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  1. Flink
  2. FLINK-5713

Protect against NPE in WindowOperator window cleanup

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Duplicate
    • Affects Version/s: 1.2.0
    • Fix Version/s: 1.2.1
    • Component/s: DataStream API
    • Labels:
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      Description

      Some (misbehaved) WindowAssigners can cause windows to be dropped from the merging window set while a cleanup timer is still active. This will trigger a NullPointerException when that timer fires.

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              • Assignee:
                aljoscha Aljoscha Krettek
                Reporter:
                aljoscha Aljoscha Krettek
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