Since you're using the xml properties, set up 2 different loggers, and
then attach filters to them.
Keep in mind that when attaching multiple filters to the same logger,
that if the statement fails one filter, it will pass down to the next. A
denial by a filter does not necessarily mean that the message is thrown
away, the message just fails that filter and goes onto the next one
(except in the case of DenyAllFilter). Which is why it's always safest
to have a "DenyAllFilter" at the bottom of the list to catch the
stragglers.
The filters you would need for this specific project are in the log4j
package already.
e.g.
<log4j:configuration>
<appender name="infoLogsFile" class="org.apache.log4j.FileAppender">
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d{MM-dd-
yyyy HH:mm:ss} %-5p %c - %m%n"/>
</layout>
<param name="file" value="info_messages.log"/>
<filter class="org.apache.log4j.varia.LevelMatchFilter">
<param name="LevelToMatch" value="INFO"/>
<param name="AcceptOnMatch" value="true"/>
</filter>
<filter class="org.apache.log4j.varia.DenyAllFilter"/>
</appender>
<appender name="otherLogsFile" class="org.apache.log4j.FileAppender">
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d{MM-dd-
yyyy HH:mm:ss} %-5p %c - %m%n"/>
</layout>
<param name="file" value="other_messages.log"/>
<filter class="org.apache.log4j.varia.LevelMatchFilter">
<param name="LevelToMatch" value="DEBUG"/>
<param name="AcceptOnMatch" value="true"/>
</filter>
<filter class="org.apache.log4j.varia.LevelRangeFilter">
<param name="LevelMin" value="ERROR"/>
<param name="LevelMax" value="FATAL"/>
<param name="AcceptOnMatch" value="true"/>
</filter>
<filter class="org.apache.log4j.varia.DenyAllFilter"/>
</appender>
<root>
<priority value="ALL"/>
<appender-ref ref="infoLogsFile"/>
<appender-ref ref="otherLogsFile"/>
</root>
</log4j:configuration>
-----Original Message-----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Date: Wed, 10 Dec 2003 20:13:34 +0530
Subject: log4j.xml configuration help
>
>
> > Hi ,
> >
> > I need help as i am new in using log4j.xml .
> >
> > My requirement is
> >
> > 1)When application uses INFO level , all the logs of the application
> should go into 1 log file ( say a.log)
> > 2)when application uses DEBUG, ERROR ,FATAL level all logs of the
> application should go into another log file ( say b.log)
> >
> >
> > Also log files path can be configurable and if file not exists can be
> created . I am using log4j.xml not the lo4j.properties .
> >
> > Pls suggest ,
> >
> > ravindra
> >
>
>
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