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https://issues.apache.org/jira/browse/MNG-5961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15847441#comment-15847441
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ASF GitHub Bot commented on MNG-5961:
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Github user michael-o commented on the issue:
https://github.com/apache/maven/pull/104
I am fine with this PR. You have to raise the issue on the dev mailing list
to have at least someone who seconds it. If someone does, after your branch
passes all tests, go ahead and merge into master.
> Maven possibly not aware of log4j2
> ----------------------------------
>
> Key: MNG-5961
> URL: https://issues.apache.org/jira/browse/MNG-5961
> Project: Maven
> Issue Type: Bug
> Components: Logging
> Affects Versions: 3.3.9
> Reporter: Mike Drob
> Assignee: Arnaud HERITIER
> Fix For: needing-scrub-3.4.0-fallout
>
>
> Using a fresh install of maven 3.3.9 I followed the steps at
> https://garygregory.wordpress.com/2015/03/23/watch-maven-in-color to add
> color highlighting to my output. Everything works as expected, however on all
> usages I would get the warning:
> {noformat}
> [WARN] The SLF4J binding actually used is not supported by Maven:
> org.apache.logging.slf4j.Log4jLoggerFactory
> [WARN] Maven supported bindings are:
> [WARN] (from
> jar:file:/opt/apache-maven-3.3.9/lib/maven-embedder-3.3.9.jar!/META-INF/maven/slf4j-configuration.properties)
> - ch.qos.logback.classic.LoggerContext
> - org.slf4j.helpers.Log4jLoggerFactory
> - org.slf4j.impl.SimpleLoggerFactory
> {noformat}
> This looks pretty harmless, and I was able to suppress it by manually adding
> the line
> {code}
> org.apache.logging.slf4j.Log4jLoggerFactory
> org.apache.maven.cli.logging.impl.Log4j2Configuration
> {code}
> to {{/META-INF/maven/slf4j-configuration.properties}} in
> {{maven-embedder-3.3.9.jar}}.
> I'm not sure that this is a "correct" solution, and I'm not even confident I
> could explain what effect it has, hence not posting a patch, but somebody
> with more knowledge might be able to triage this better. Or offer an
> "official" way to do colorized output.
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