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ASF GitHub Bot commented on FLINK-9185: --------------------------------------- Github user tillrohrmann commented on a diff in the pull request: https://github.com/apache/flink/pull/5894#discussion_r203368063 --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/PrioritizedOperatorSubtaskState.java --- @@ -281,10 +281,15 @@ public PrioritizedOperatorSubtaskState build() { // approve-function signaled true. if (alternative != null && alternative.hasState() - && alternative.size() == 1 - && approveFun.apply(reference, alternative.iterator().next())) { --- End diff -- Could we wrap this application in `BooleanUtils.isTrue(approveFun.apply(reference, alternative.iterator().next()))` in order to avoid the extra conditions? > 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: Stephen Jason > Priority: Minor > Labels: pull-request-available > > {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. -- This message was sent by Atlassian JIRA (v7.6.3#76005)