Date: 2004-10-13T05:58:59
Editor: HelmaVanDerLinden <[EMAIL PROTECTED]>
Wiki: Cocoon Wiki
Page: CocoonLog4J
URL: http://wiki.apache.org/cocoon/CocoonLog4J
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New Page:
How to use Log4J instead of Avalon Logkit for Cocoon.
This is written based on the 2.1.6-DEV version in SVN at 2004/10/13, so things
might be different before or after this version.
1. '''add this to web.xml''' or, if it is already in comments, uncomment it:
{{{
<init-param>
<param-name>logger-class</param-name>
<param-value>org.apache.avalon.excalibur.logger.Log4J!LoggerManager</param-value>
</init-param>
}}}
2. '''add log4j.jar''' in WEB-INF/lib if needed
3. '''create WEB-INF/classes/log4j.properties''' to setup logging, or uncomment
the following lines in web.xml to define the location of log4j.xconf (i.e. the
XML version of the log4j.properties file). A sample log4j.xconf is already
provided in WEB-INF.
{{{
<init-param>
<param-name>log4j-config</param-name>
<param-value>/WEB-INF/log4j.xconf</param-value>
</init-param>
}}}
4. (added by BertrandDelacretaz:) Another useful logging trick is to '''use
log4j for the output of ant''' as
well, by setting these options on the ant command line:
{{{
-listener org.apache.tools.ant.listener.Log4jListener
-Dlog4j.configuration=file:/path-to-log4j-config
}}}
''This is very useful for crazy folk like me who start their production
systems via ant ;-)''
