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From "Michal Podsiadlowski (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4757) Replace log4j.properties with log4j.xml
Date Tue, 23 Feb 2010 11:10:28 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4757?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12837194#action_12837194
] 

Michal Podsiadlowski commented on HADOOP-4757:
----------------------------------------------

If I may put my two cents in, my wish would be to *remove totally all log4j config files from
jars*. When using hadoop-core.jar as client library in webserver environment it can screw
all loging you have by overriding rootLogger as it did for us.  Please consider it as this
can cause problems for others as well. 

> Replace log4j.properties with log4j.xml
> ---------------------------------------
>
>                 Key: HADOOP-4757
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4757
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Alex Loddengaard
>            Assignee: Alex Loddengaard
>            Priority: Minor
>         Attachments: log4j_xml_config.patch, log4j_xml_config_v2.patch
>
>
> Certain log4j features are not configurable via the log4j.properties file, not to mention
the log4j.properties file is messy.  For this reason, we should transition to a XML file to
configure log4j.  The .properties vs. .xml argument has only come up in HADOOP-211, where
the XML configuration was vetoed for Tomcat integration issues.

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