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https://issues.apache.org/jira/browse/FLINK-10254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16596495#comment-16596495
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ASF GitHub Bot commented on FLINK-10254:
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Aitozi opened a new pull request #6632: [FLINK-10254][backend]Fix inappropriate
checkNotNull in stateBackend
URL: https://github.com/apache/flink/pull/6632
## What is the purpose of the change
The argument checked in `AbstractKeyedStateBackend` of numOfKeyGroups is
inappropriate, and it should be checked with the value bigger than 1.
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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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