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https://issues.apache.org/jira/browse/NIFI-6312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16851171#comment-16851171
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Joseph Witt commented on NIFI-6312:
-----------------------------------

Robert: Can you please share thread dumps and configuration details to back up 
the statement about the lock-up?  Issues in a single component should be hard 
pressed to create issues for others unless of course that thing wildly consumes 
all threads or consumes all remaining memory/etc..

> AMQP processors seem to have thread cleanup issues
> --------------------------------------------------
>
>                 Key: NIFI-6312
>                 URL: https://issues.apache.org/jira/browse/NIFI-6312
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Extensions
>    Affects Versions: 1.9.0
>            Reporter: Robert Bruno
>            Priority: Major
>
> At a minimum the ConsumeAMQP processor exhibits this behavior but the 
> PublishAMQP may as well.
> If ConsumeAMQP is listening to a working AMQP server and then that server 
> name is no longer resolvable errors begin to show up in logs saying the 
> hostname can't be resolve.  This is expected.
> What isn't expected is if you then turn off the processor or even delete the 
> processor the error message persists.  The only way to resolve this is 
> restarting the nifi node.
>  
>  



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