Why only one appender works

Question

I use jboss cluster, and I want separate server.log and cluster.log.
treat file and console appender as root.
before I add cluster appender, every thing works fine. but after I add cluster appender, only cluster.log work, server.log is empty.
are someone can help me out.
Thank you very much
source log4j.xml is in the following:
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/" debug="true">
<!-- Size based rolling appender -->
<appender name="CLUSTER" class="org.jboss.logging.appender.RollingFileAppender">
<!-- <errorHandler class="org.jboss.logging.util.OnlyOnceErrorHandler"/> -->
<param name="File" value="${jboss.server.home.dir}/log/cluster.log"/>
<param name="Append" value="true"/>
<param name="MaxFileSize" value="500KB"/>
<param name="MaxBackupIndex" value="10"/>
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d %-5p [%c] %m%n"/>
</layout>
</appender>
<appender name="FILE" class="org.jboss.logging.appender.RollingFileAppender">
<!-- <errorHandler class="org.jboss.logging.util.OnlyOnceErrorHandler"/>-->
<param name="File" value="${jboss.server.home.dir}/log/server.log"/>
<param name="Append" value="true"/>
<param name="MaxFileSize" value="500KB"/>
<param name="MaxBackupIndex" value="10"/>
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d %-5p [%c] %m%n"/>
</layout>
</appender>
<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="ERROR"/>
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d{ABSOLUTE} %-5p [%c{1}] %m%n"/>
</layout>
</appender>
<root>
<appender-ref ref="CONSOLE"/>
<appender-ref ref="FILE"/>
</root>
<!-- Limit JBoss categories to INFO -->
<category name="org.jboss">
<priority value="DEBUG"/>
<appender-ref ref="FILE" />
</category>
<category name="org.jgroups">
<priority value="DEBUG"/>
<appender-ref ref="FILE" />
</category>
<category name="org.apache">
<priority value="INFO"/>
</category>
<category name="org.jgroups">
<priority value="DEBUG" />
<appender-ref ref="CLUSTER"/>
</category>
<category name="org.jgroups.protocols.UDP">
<priority value="DEBUG" />
<appender-ref ref="CLUSTER"/>
</category>
<category name="org.jboss.ha">
<priority value="DEBUG" />
<appender-ref ref="CLUSTER"/>
</category>
</log4j:configuration>

Answer 1

Hello, you might get better answer in either J2EE forums, or in JBoss.org forums.
When cross posting, it is polite to include a link to the orginal thread (this one).