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https://issues.apache.org/jira/browse/FLINK-33121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17767029#comment-17767029
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Chesnay Schepler commented on FLINK-33121:
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??there are rare cases where multiple concurrent global failures are triggered??
Can you give us an example of when this might happen?
> Failed precondition in JobExceptionsHandler due to concurrent global failures
> -----------------------------------------------------------------------------
>
> Key: FLINK-33121
> URL: https://issues.apache.org/jira/browse/FLINK-33121
> Project: Flink
> Issue Type: Bug
> Reporter: Panagiotis Garefalakis
> Priority: Major
>
> {{JobExceptionsHandler#createRootExceptionInfo}} *only* allows concurrent
> exceptions that are local failures *--* otherwise throws an assertion as part
> of {{{}asserLocalExceptionInfo{}}}.
> However, there are rare cases where multiple concurrent global failures are
> triggered and added to the failureCollection, before transitioning the job
> state to Failed e.g., through {{StateWithExecutionGraph#handleGlobalFailure}}
> of the AdaptiveScheduler.
> In this case the last added will be the root and the next one will trigger
> the assertion
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