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https://issues.apache.org/jira/browse/MNG-5961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15848164#comment-15848164
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Michael Osipov commented on MNG-5961:
-------------------------------------
If you think this is wrong, please create a new issue.
> 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: 3.5.0
>
>
> 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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