Log4j : How to avoid duplicate logmessages in a multithreaded application?

Hi,
I m using log4j for my heavily multithreaded JAVA application. After my application comes up, a few minutes later , I find many duplicate logger messages on the console(only logger messages in threads are being displayed 8-9 times each). Is it that my application being multithreaded or is there something wrong with my configuration file?
My log4j-config.xml is as below:-
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/"
 configDebug="true">
 <appender name="ASYNC" class="org.apache.log4j.AsyncAppender" additivity="false">
 <appender-ref ref="TEMP"/>
 <appender-ref ref="CONSOLE"/>
 <appender-ref ref="TRACE"/>
 <appender-ref ref="DEBUG"/>
 <appender-ref ref="INFO"/>
 <appender-ref ref="WARN"/>
 <appender-ref ref="ERROR"/>
 <appender-ref ref="FATAL"/>
 </appender>
 <appender name="CONSOLE" class="org.apache.log4j.ConsoleAppender">
 
 <layout class="org.apache.log4j.PatternLayout">
 
 </layout>
 </appender>
 <appender name="TEMP" class="org.apache.log4j.FileAppender">
 <param name="File" value="/var/log/abs/acpu_fun/acpu.log"/>
 <layout class="org.apache.log4j.PatternLayout">
 <param name="ConversionPattern"
 value="%d %-5p [%t] %C (%F:%L) - %m%n"/>
 </layout>
 </appender>
 <appender name="TRACE" class="org.apache.log4j.FileAppender">
 <param name="File" value="/var/log/abs/acpu_fun/acputrc.log"/>
 <param name="Threshold" value="TRACE"/>
 <layout class="org.apache.log4j.PatternLayout">
 <param name="ConversionPattern"
 value="%d %-5p [%t] %C (%F:%L) - %m%n"/>
 </layout>
 </appender>
 <appender name="DEBUG" class="org.apache.log4j.FileAppender">
 <param name="File" value="/var/log/abs/acpu_fun/acpudeb.log"/>
 <param name="Threshold" value="DEBUG"/>
 <layout class="org.apache.log4j.PatternLayout">
 <param name="ConversionPattern"
 value="%d %-5p [%t] %C (%F:%L) - %m%n"/>
 </layout>
 </appender>
 <appender name="INFO" class="org.apache.log4j.FileAppender">
 <param name="File" value="/var/log/abs/acpu_fun/acpuinfo.log"/>
 <layout class="org.apache.log4j.PatternLayout">
 <param name="ConversionPattern"
 value="%d %-5p [%t] %C (%F:%L) - %m%n"/>
 </layout>
 <filter class="org.apache.log4j.varia.LevelMatchFilter">
 <param name="LevelToMatch" value="info"/>
 </filter>
 <filter class="org.apache.log4j.varia.DenyAllFilter"/>
 </appender>
 <appender name="WARN" class="org.apache.log4j.FileAppender">
 <param name="File" value="/var/log/abs/acpu_fun/acpuwar.log"/>
 <layout class="org.apache.log4j.PatternLayout">
 <param name="ConversionPattern"
 value="%d %-5p [%t] %C (%F:%L) - %m%n"/>
 </layout>
 <filter class="org.apache.log4j.varia.LevelMatchFilter">
 <param name="LevelToMatch" value="warn"/>
 </filter>
 <filter class="org.apache.log4j.varia.DenyAllFilter"/>
 </appender>
 <appender name="ERROR" class="org.apache.log4j.FileAppender">
 <param name="File" value="/var/log/abs/acpu_fun/acpuerr.log"/>
 <layout class="org.apache.log4j.PatternLayout">
 <param name="ConversionPattern"
 value="%d %-5p [%t] %C (%F:%L) - %m%n"/>
 </layout>
 <filter class="org.apache.log4j.varia.LevelMatchFilter">
 <param name="LevelToMatch" value="error"/>
 </filter>
 <filter class="org.apache.log4j.varia.DenyAllFilter"/>
 </appender>
 <appender name="FATAL" class="org.apache.log4j.FileAppender">
 <param name="File" value="/var/log/abs/acpu_fun/acpufatl.log"/>
 <layout class="org.apache.log4j.PatternLayout">
 <param name="ConversionPattern"
 value="%d %-5p [%t] %C (%F:%L) - %m%n"/>
 </layout>
 <filter class="org.apache.log4j.varia.LevelMatchFilter">
 <param name="LevelToMatch" value="fatal"/>
 </filter>
 <filter class="org.apache.log4j.varia.DenyAllFilter"/>
 </appender>
 <appender name="SLCS" class="org.apache.log4j.FileAppender">
 <param name="File" value="/var/log/slcs/slcs.log"/>
 <layout class="org.apache.log4j.PatternLayout">
 <param name="ConversionPattern"
 value="%d %-5p [%t] %C (%F:%L) - %m%n"/>
 </layout>
 </appender>
 <category name="com.aircell.abs.acpu.softwareloadconfig" additivity="false">
 <level value="debug"/>
 <appender-ref ref="SLCS"/>
 </category>
 <root>
 <priority value="info"/>
 <appender-ref ref="ASYNC"/>
 </root>
</log4j:configuration>Regards.

Hi,
Did you find any solution for this problem. I am also encountering the same problem.
Thanks,
Mohit

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