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Posted to issues@nifi.apache.org by "Josef Zahner (Jira)" <ji...@apache.org> on 2022/07/13 14:40:00 UTC

[jira] [Created] (NIFI-10226) Empty Queue of 1'500'000 flowfiles - NiFi GUI shows HTTP Error 503

Josef Zahner created NIFI-10226:
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             Summary: Empty Queue of 1'500'000 flowfiles - NiFi GUI shows HTTP Error 503
                 Key: NIFI-10226
                 URL: https://issues.apache.org/jira/browse/NIFI-10226
             Project: Apache NiFi
          Issue Type: Bug
          Components: Core UI
    Affects Versions: 1.15.3
         Environment: 8-Node cluster
            Reporter: Josef Zahner
         Attachments: Screenshot 2022-07-13 at 13.46.23.png

We have a ListSFTP processor which produces 1'500'000 flowfiles as output. When we try to "Empty Queue" it takes multiple minutes and the GUI shows a HTTP 503 error during that period. We can't open the GUI again until the deletion is complete. Those flowfiles are all on the primary node and not load balanced within the cluster.  Below is the final GUI message. The intermediate message looks similar but without the removed string.

!Screenshot 2022-07-13 at 13.46.23.png!



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