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https://issues.apache.org/jira/browse/NIFI-12025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17763186#comment-17763186
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ASF subversion and git services commented on NIFI-12025:
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Commit 6cffc78ad225c4b6228cbc78564d6029fb470ed2 in nifi's branch
refs/heads/main from Peter Turcsanyi
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=6cffc78ad2 ]
NIFI-12025: Fixed duplicated bulletin messages (#7670)
> Duplicated bulletin messages
> ----------------------------
>
> Key: NIFI-12025
> URL: https://issues.apache.org/jira/browse/NIFI-12025
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Reporter: Peter Turcsanyi
> Assignee: Peter Turcsanyi
> Priority: Major
> Fix For: 2.latest
>
> Attachments: bulletin.png
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Each bulletin message is displayed 2 times (or more). It affects 2.0 only.
> NIFI-11556 did some refactor in
> {{[StandardLogRepository|https://github.com/apache/nifi/pull/7253/files#diff-f23b3e818bc60bc09049b263aa618bdee8580ae8ca97a8d1b7304cabfd773f8a]}}
> and removed {{removeObserver()}} method used by
> {{{}setObservationLevel(){}}}.
> Now {{setObservationLevel()}} removes the observers on its own but not all
> data structures are cleared properly and it causes some duplicated observers
> being registered and duplicated bulletin messages on the UI.
> !bulletin.png!
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