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https://issues.apache.org/jira/browse/FLINK-10254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16597327#comment-16597327
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ASF GitHub Bot commented on FLINK-10254:
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Aitozi commented on issue #6632: [FLINK-10254][backend]Fix inappropriate
checkNotNull in stateBackend
URL: https://github.com/apache/flink/pull/6632#issuecomment-417283959
@dawidwys I check git history of this selection, and it was substituted in
FLINK-4380, but may be the project structure was adjusted and I can't really
find the change line in the
[FLINK-4380](https://github.com/apache/flink/commit/ec975aaba79449bd93020f296b05ea509ea57bdc),
Do you mean that I need to add another test case to cover this change ?
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> Fix inappropriate checkNotNull in stateBackend
> ----------------------------------------------
>
> Key: FLINK-10254
> URL: https://issues.apache.org/jira/browse/FLINK-10254
> Project: Flink
> Issue Type: Improvement
> Components: State Backends, Checkpointing
> Affects Versions: 1.6.0
> Reporter: aitozi
> Assignee: aitozi
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.6.0
>
>
> The checkNotNull is unnecessary of numberOfKeyGroups with a primitive type ,
> we just have to make sure it is bigger than 1.
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