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https://issues.apache.org/jira/browse/FLINK-17726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17329039#comment-17329039
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Flink Jira Bot commented on FLINK-17726:
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This critical issue is unassigned and itself and all of its Sub-Tasks have not
been updated for 7 days. So, it has been labeled "stale-critical". If this
ticket is indeed critical, please either assign yourself or give an update.
Afterwards, please remove the label. In 7 days the issue will be deprioritized.
> Scheduler should take care of tasks directly canceled by TaskManager
> --------------------------------------------------------------------
>
> Key: FLINK-17726
> URL: https://issues.apache.org/jira/browse/FLINK-17726
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination, Runtime / Task
> Affects Versions: 1.11.0, 1.12.0
> Reporter: Zhu Zhu
> Priority: Critical
> Labels: stale-critical
>
> JobManager will not trigger failure handling when receiving CANCELED task
> update.
> This is because CANCELED tasks are usually caused by another FAILED task.
> These CANCELED tasks will be restarted by the failover process triggered
> FAILED task.
> However, if a task is directly CANCELED by TaskManager due to its own runtime
> issue, the task will not be recovered by JM and thus the job would hang.
> This is a potential issue and we should avoid it.
> A possible solution is to let JobManager treat tasks transitioning to
> CANCELED from all states except from CANCELING as failed tasks.
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