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https://issues.apache.org/jira/browse/HADOOP-13344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15419313#comment-15419313
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Sean Busbey commented on HADOOP-13344:
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For trunk, are we better off just unconditionally removing the binding?
Presuming [~aw] still feels this way:
{quote}
* I think moving it to a place that may be optionally triggered off is a really
the only realistic fix here. Munging the classpath to remove it (especially
when we tend to use wildcards to speed things up), is just painful.
* Since that path is default on, this shouldn't be an incompatible break. Users
who turn it off are making the decision to disable it the same way they would a
plug-in. This is nearly the same sorts of decisions we give users to turn
things on, such as special options to fsck.
{quote}
then sure, I'd be fine with the pom fixes as a follow-up so long as the
solution here doesn't obviously rely on something that would change as a result.
If we're going to unconditionally remove the binding then I'd consider the
maven fixes blocking, wether they happen here or in a different JIRA.
> Add option to exclude Hadoop's SLF4J binding
> --------------------------------------------
>
> Key: HADOOP-13344
> URL: https://issues.apache.org/jira/browse/HADOOP-13344
> Project: Hadoop Common
> Issue Type: New Feature
> Components: bin, scripts
> Affects Versions: 2.8.0, 2.7.2
> Reporter: Thomas Poepping
> Assignee: Thomas Poepping
> Labels: patch
> Attachments: HADOOP-13344.patch
>
>
> If another application that uses the Hadoop classpath brings in its own SLF4J
> binding for logging, and that jar is not the exact same as the one brought in
> by Hadoop, then there will be a conflict between logging jars between the two
> classpaths. This patch introduces an optional setting to remove Hadoop's
> SLF4J binding from the classpath, to get rid of this problem.
> This patch should be applied to 2.8.0, as bin/ and hadoop-config.sh structure
> has been changed in 3.0.0.
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