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https://issues.apache.org/jira/browse/FLINK-11843?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16888402#comment-16888402
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TisonKun commented on FLINK-11843:
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[~stevenz3wu] I have sent an email to you :- )
> Dispatcher fails to recover jobs if leader change happens during
> JobManagerRunner termination
> ---------------------------------------------------------------------------------------------
>
> Key: FLINK-11843
> URL: https://issues.apache.org/jira/browse/FLINK-11843
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination
> Affects Versions: 1.7.2, 1.8.0, 1.9.0
> Reporter: Till Rohrmann
> Assignee: Till Rohrmann
> Priority: Critical
> Fix For: 1.9.0, 1.10.0
>
>
> The {{Dispatcher}} fails to recover jobs if a leader change happens during
> the {{JobManagerRunner}} termination of the previous run. The problem is that
> we schedule the start future of the recovered {{JobGraph}} using the
> {{MainThreadExecutor}} and additionally require that this future is completed
> before any other recovery operation from a subsequent leadership session is
> executed. If now the leadership changes, the {{MainThreadExecutor}} will be
> invalidated and the scheduled future will never be completed.
> The relevant ML thread:
> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/1-7-1-job-stuck-in-suspended-state-td26439.html
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