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https://issues.apache.org/jira/browse/PHOENIX-7195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17814926#comment-17814926
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ASF GitHub Bot commented on PHOENIX-7195:
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stoty commented on PR #1817:
URL: https://github.com/apache/phoenix/pull/1817#issuecomment-1930479704
We've already switched to log4j2 previously.
I suspect that this was broken during the code refactor, when we forgot to
re-add the log4j2 dependencies to phoenix-core.
So that part is just a regression fix.
Recent Hadoop releases has switched for lof4j1 to reload4j, and we haven't
filtered that yet, so this is needed to restore the correct logging libraries
(log4j2) in case a new Hadoop is used (otherwise we'd have both reload4j and
log4j2 jars). This is a net new change.
> Exclude reload4j dependencies from Hadoop and add explicit log4j2 test
> dependencies
> -----------------------------------------------------------------------------------
>
> Key: PHOENIX-7195
> URL: https://issues.apache.org/jira/browse/PHOENIX-7195
> Project: Phoenix
> Issue Type: Bug
> Components: core
> Reporter: Istvan Toth
> Assignee: Istvan Toth
> Priority: Blocker
> Fix For: 5.2.0
>
>
> Hadoop 3.3.5 depends on reload4j.
> Add exlcudes for it, just like we do for log4j 1.
> Also, it seems that we do not explicitly add the log4j2 test dependencies to
> phoenix-core, and only incidentally get them transitively via Omid.
> Add the explicit test dependencies.
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