src/java/org/apache/log4j/performance/xml/logging7.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">

<!-- PropertyConfigurator equivalent:
log4j.rootCategory=, NULL
log4j.category.A0123456789=INFO
log4j.appender.NULL=org.apache.log4j.performance.NullAppender
log4j.appender.NULL.layout=org.apache.log4j.PatternLayout
log4j.appender.NULL.layout.ConversionPattern=%r [%t] %-5p %.20c %x - %m%n
-->
<log4j:configuration>

        <appender name="NULL" class="org.apache.log4j.performance.NullAppender">
           <layout class="org.apache.log4j.PatternLayout">
              <param name="ConversionPattern" 
                     value="%r [%t] %-5p %.20c %x - %m%n"/>
	   </layout>
	</appender>
 
        <category name="A0123456789">  	
	   <priority value ="info" />
        </category>  	

	<root>
	   <priority value ="debug" />
   	   <appender-ref ref="NULL" />
	</root>
	
</log4j:configuration>