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https://issues.apache.org/jira/browse/NIFI-3144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15719172#comment-15719172
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Joseph Witt commented on NIFI-3144:
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[~jcavinee] can you try checking if this behavior is present in the recent
1.1.0 release? I ask because I believe some queue logic was cleaned up. If
the problem does occur again can you send a stack trace?
> Execute Script Invalid FlowFile in Queue
> ----------------------------------------
>
> Key: NIFI-3144
> URL: https://issues.apache.org/jira/browse/NIFI-3144
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 1.0.0
> Reporter: Justin M Cavinee
> Attachments: EmptyQueue.png, ErrorMessage.png
>
>
> There seems to be some kind of error in clearing flow files from the source
> queue of the ExecuteScript Processor. I keep running into lingering
> flow-files in the queue that cannot be cleared, and don't show up in the list
> source queue (says no FlowFiles Present), but it continues to sit in the
> queue, and seems to cause the processor throw "Failed to Process Session"
> Exceptions as it start loading other that come through the processor.
> Will attach Screenshots of a queue with a flow file count but that says no
> files in queue and one of the error message.
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