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From Mikael Ståldal (JIRA) <j...@apache.org>
Subject [jira] [Comment Edited] (HADOOP-12956) Inevitable Log4j2 migration via slf4j
Date Sat, 13 Aug 2016 13:23:20 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15419917#comment-15419917
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Mikael Ståldal edited comment on HADOOP-12956 at 8/13/16 1:23 PM:
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Mixing two different logging implementations like Log4j 1 and Log4j 2 is not recommended and
will most likely lead to problems. What you can do is to use the Log4j 1 bridge for Log4j
2: http://logging.apache.org/log4j/2.x/log4j-1.2-api/index.html


was (Author: mikaelstaldal):
Mixing two different logging implementations like Log4j 1 and Log4j 2 is not recommended and
will most likely lead to problems. What you can do is to use the Log4j 1 bridge for Log4j
2: http://logging.apache.org/log4j/2.x/manual/migration.html

> 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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