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https://issues.apache.org/jira/browse/FLINK-20033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17227833#comment-17227833
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Till Rohrmann commented on FLINK-20033:
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FLINK-19237 also fixes this problem.
> Job fails when stopping JobMaster
> ---------------------------------
>
> Key: FLINK-20033
> URL: https://issues.apache.org/jira/browse/FLINK-20033
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination
> Affects Versions: 1.10.2, 1.11.2
> Reporter: Till Rohrmann
> Assignee: Till Rohrmann
> Priority: Critical
> Labels: pull-request-available
> Fix For: 1.10.3, 1.11.3
>
>
> When a {{JobMaster}} is stopped, we first disconnect all {{TaskExecutors}}.
> This disconnection causes potentially running {{Executions}} to fail. This in
> turn can cause a restart of the job or in the worst case a transition into
> {{FAILED}} state if the restarts are depleted. This again can cause the clean
> up of HA data.
> Instead of failing the job, the job should be suspended if the {{JobMaster}}
> gets stopped because this happens if the {{Dispatcher}} loses its leadership.
> The problem has been fixed unintentionally by FLINK-19237 in the master
> branch.
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