log4j error! log4j:ERROR Attempted to append to closed appender named.

[Peter]

hi,all

we are using log4j under tomcat. and it appeals  so many following erros ;

log4j:ERROR Attempted to append to closed appender named [DEFAULT_LOGFILE].

does anyone has an idea why and how to sovle it.

thanks !

here is our log4j.xml


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

<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/";
debug="false">

<appender name="OTHERS_LOGFILE" class="org.apache.log4j.RollingFileAppender
">
 <param name="Threshold" value="DEBUG"/>
 <param name="File" value="../logs/others.log"/>
 <param name="Append" value="false"/>
 <param name="MaxFileSize" value="2000KB"/>
 <param name="MaxBackupIndex" value="10"/>
 <layout class=" org.apache.log4j.PatternLayout">
  <param name="ConversionPattern" value="%d %-5p [%c] %m%n"/>
 </layout>
</appender>

<appender name="DEFAULT_LOGFILE" class="
org.apache.log4j.RollingFileAppender">
 <param name="Threshold" value="DEBUG"/>
 <param name="File" value="../logs/shucoms.log"/>
 <param name="Append" value="false"/>
 <param name="MaxFileSize" value="2000KB"/>
 <param name="MaxBackupIndex" value="10"/>
 <layout class=" org.apache.log4j.PatternLayout">
  <param name="ConversionPattern" value="%d %-5p [%c] %m%n"/>
 </layout>
</appender>



<appender name="ASYNC" class="org.apache.log4j.AsyncAppender">

 <appender-ref ref="OTHERS_LOGFILE"/>

 <appender-ref ref="DEFAULT_LOGFILE"/>

</appender>

<category name="gxlu.eoms" additivity="false">
 <priority value="DEBUG"/>
 <appender-ref ref="DEFAULT_LOGFILE"/>
</category>
<category name="org" additivity="false">
 <priority value="INFO"/>
 <appender-ref ref="OTHERS_LOGFILE"/>
</category>

<!-- Setup the Root category -->
<root>
 <priority value="DEBUG"/>
 <appender-ref ref="ASYNC"/>
</root>
</log4j:configuration>