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From Mikael Ståldal (JIRA) <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12956) Inevitable Log4j2 migration via slf4j
Date Tue, 03 Jan 2017 18:16:58 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15795711#comment-15795711
] 

Mikael Ståldal commented on HADOOP-12956:
-----------------------------------------

Unfortunately, we did not manage to finalize the support for Log4j 1 configuration files in
Log4j 2.7. There is some experimental support in 2.7, but not complete or stable yet. We will
continue to work on this, but I cannot promise any particular release or time right now.

However, this should not block you from making progress in Hadoop. If you find anything blocking
you, please raise the issue as a comment here and we will have a look.

> Inevitable Log4j2 migration via slf4j
> -------------------------------------
>
>                 Key: HADOOP-12956
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12956
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Gopal V
>
> {{5 August 2015 --The Apache Logging Services™ Project Management Committee (PMC) has
announced that the Log4j™ 1.x logging framework has reached its end of life (EOL) and is
no longer officially supported.}}
> https://blogs.apache.org/foundation/entry/apache_logging_services_project_announces
> A whole framework log4j2 upgrade has to be synchronized, partly for improved performance
brought about by log4j2.
> https://logging.apache.org/log4j/2.x/manual/async.html#Performance



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