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https://issues.apache.org/jira/browse/FLINK-13254?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chesnay Schepler closed FLINK-13254.
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Resolution: Duplicate
> Task launching blocked due to pending on #waitForChannel
> --------------------------------------------------------
>
> Key: FLINK-13254
> URL: https://issues.apache.org/jira/browse/FLINK-13254
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Network
> Affects Versions: 1.9.0
> Reporter: Zhu Zhu
> Priority: Major
> Attachments: image-2019-07-15-14-18-26-833.png,
> image-2019-07-15-14-18-39-264.png, pendingOnDeploying.log, task_counts2.stack
>
>
> We observed that a task may stay in DEPLOYING state forever, pending on
> waiting for channels at TM side.
> Sample log is attached, including the TM log and stack for task "Sink:
> counts2 (1/20)".
>
> This case happens after a region failover, which might be related.
>
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