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https://issues.apache.org/jira/browse/FLINK-9185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16445635#comment-16445635
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Stephen Jason commented on FLINK-9185:
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Could you give this issue to me [~mingleizhang]
> Potential null dereference in
> PrioritizedOperatorSubtaskState#resolvePrioritizedAlternatives
> --------------------------------------------------------------------------------------------
>
> Key: FLINK-9185
> URL: https://issues.apache.org/jira/browse/FLINK-9185
> Project: Flink
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: mingleizhang
> Priority: Minor
>
> {code}
> if (alternative != null
> && alternative.hasState()
> && alternative.size() == 1
> && approveFun.apply(reference, alternative.iterator().next())) {
> {code}
> The return value from approveFun.apply would be unboxed.
> We should check that the return value is not null.
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