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https://issues.apache.org/jira/browse/FLINK-35522?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhu Zhu reassigned FLINK-35522:
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Assignee: xingbe
> The source task may get stuck after a failover occurs in batch jobs
> -------------------------------------------------------------------
>
> Key: FLINK-35522
> URL: https://issues.apache.org/jira/browse/FLINK-35522
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination
> Affects Versions: 1.17.2, 1.19.0, 1.18.1, 1.20.0
> Reporter: xingbe
> Assignee: xingbe
> Priority: Major
> Fix For: 1.20.0
>
>
> If the source task does not get assigned a split because the SplitEnumerator
> has no more splits, and a failover occurs during the closing process, the
> SourceCoordinatorContext will not resend the NoMoreSplit event to the newly
> started source task, causing the source vertex to remain stuck indefinitely.
> This case may only occur in batch jobs where speculative execution has been
> enabled.
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