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https://issues.apache.org/jira/browse/NIFI-9603?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pierre Villard resolved NIFI-9603.
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Resolution: Feedback Received
Apache NiFi 1.x is no longer maintained and no new release is planned on the
1.x release line. Marking as resolved as part of a cleanup operation. Please
open a new one with an updated description if this is still relevant for NiFi
2.x.
> When a processor group is stopped or started in the UI, the thread pool
> cannot execute any tasks
> ------------------------------------------------------------------------------------------------
>
> Key: NIFI-9603
> URL: https://issues.apache.org/jira/browse/NIFI-9603
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 1.9.0
> Environment: nifi version:1.9.0
> Server：CentOS Linux release 7.9.2009
> Deployment mode: 5-node cluster
> The maximum timer driven thread count is set to 350
> JDK version is "1.8.0_181"
> Reporter: liuke
> Priority: Major
> Attachments: description.pdf, dump.log, nifi-app_2022-01-21_09.34.log
>
> Original Estimate: 192h
> Remaining Estimate: 192h
>
> See the attachment for the picture
>
> Problem phenomenon
> # This problem is probably triggered when a processor group (including
> multiple processors) is stopped in the interface
> # Nifi cluster UI “Active Thread Count”becomes 0
> # The task cannot be executed. The UI shows that the thread is stuck
> # Analysis using jstack，The stack information is intercepted many times at a
> long time interval, and the information is the following results: total
> 350 thread, one of which is timed_ Waiting, The remaining 349 are waiting
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