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https://issues.apache.org/jira/browse/NIFI-14855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18080089#comment-18080089
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Michael W Moser commented on NIFI-14855:
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After watching the attached video, I think I figured out the real issue with
AttributesToJSON here. If you enter a value in the "Attributes Regular
Expression" property and start the processor, then stop and clear that
property, the next time you run the processor it unexpectedly uses the old
value. The onScheduled method parses the regex, but does not replace the
Pattern if the regex is empty.
> Attributes To Json processor issue
> ----------------------------------
>
> Key: NIFI-14855
> URL: https://issues.apache.org/jira/browse/NIFI-14855
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 2.4.0, 2.5.0
> Environment: RHEL 9
> 4x nodes cluster
> Reporter: WojciechWitos
> Assignee: Himanshu sahu Ksolve NiFi Expert
> Priority: Major
> Attachments: AttributesToJsonProc.mkv, Screenshot from 2025-08-20
> 01-48-33.png, Screenshot from 2025-08-20 01-48-44.png
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> AttributesToJson does different things then set up in the processor.
> Sending the video in the attachment - will be easier with visualisation.
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