Showing posts with label Log4j. Show all posts
Showing posts with label Log4j. Show all posts

Tuesday, June 23, 2009

Adjusting log4j in JBoss

JBoss' log4j configuration can be found at [server root]/server/default/conf/jboss-log4j.xml.

There are two important parts to tweaking your logging, the appender settings and limit categories.

The appender settings start on line 64 for jboss-4.2.2.GA. The default is :
   <appender name="CONSOLE" class="org.apache.log4j.ConsoleAppender">
<errorHandler class="org.jboss.logging.util.OnlyOnceErrorHandler"/>
<param name="Target" value="System.out"/>
<param name="Threshold" value="INFO"/>

<layout class="org.apache.log4j.PatternLayout">
<!-- The default pattern: Date Priority [Category] Message\n -->
<param name="ConversionPattern" value="%d{ABSOLUTE} %-5p [%c{1}] %m%n"/>
</layout>
</appender>

Mine look like this :

   <appender name="CONSOLE" class="org.apache.log4j.ConsoleAppender">
<errorHandler class="org.jboss.logging.util.OnlyOnceErrorHandler"/>
<param name="Target" value="System.out"/>

<layout class="org.apache.log4j.PatternLayout">
<!-- The default pattern: Date Priority [Category] Message\n -->
<param name="ConversionPattern" value="%-5p [%c{7}.%M] %m %n"/>

</layout>
</appender>


The difference is the ConversionPattern. Inside the brackets I use %c{7}.%M. That means that the class name will append 7 levels back, i.e. com.foo.bar.baz.buz.bam.SomeClass. The ".%M" appends the method name as well, i.e. com.foo.bar.baz.buz.bam.SomeClass.someMethod.

This way I can see the fully qualified class name and method.