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https://issues.apache.org/jira/browse/FLINK-38020?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-38020:
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Labels: pull-request-available (was: )
> NonTimeRangeUnboundedPrecedingFunction failing with NPE
> -------------------------------------------------------
>
> Key: FLINK-38020
> URL: https://issues.apache.org/jira/browse/FLINK-38020
> Project: Flink
> Issue Type: Bug
> Affects Versions: 2.1
> Reporter: Hao Li
> Assignee: Bonnie Varghese
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.1
>
>
> [https://github.com/apache/flink/blob/master/flink-table/flink-table-runtime/src/main/java/org/apache/flink/table/runtime/operators/over/NonTimeRangeUnboundedPrecedingFunction.java#L425-L432]
> missing calling `setAccumulator`.
>
> [https://github.com/apache/flink/blob/master/flink-table/flink-table-runtime/src/test/java/org/apache/flink/table/runtime/operators/over/NonTimeRangeUnboundedPrecedingFunctionTest.java#L55]
> didn't catch it because `sum` in
> [https://github.com/apache/flink/blob/master/flink-table/flink-table-runtime/src/test/java/org/apache/flink/table/runtime/operators/over/SumAggsHandleFunction.java#L30]
> is long. It will fail with NPE if change it `Long`
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