Configure the log4j.xml file

Question

Hello All,
I am trying to configure the log4j.xml file, so that i can get differnet logging messages based on the level to different log files. for ex: info messages in info.log, debug messages in debug.log and so on...i tried using the below...but, no luck.
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
<log4j:configuration xmlns:log4j='http://jakarta.apache.org/log4j/'>
<appender name="UCF_Exception" class="org.apache.log4j.RollingFileAppender">
     <param name="File" value="UCF_Exception.log"/>
     <param name="Append" value="false"/>
     <param name="MaxFileSize" value="1000KB"/>
     <param name="MaxBackupIndex" value="2"/>
     <layout class="org.apache.log4j.xml.XMLLayout">
          <param name="LocationInfo" value="true"/>
     </layout>
</appender>
<log4j.logger.UCFExceptionLogger>
     <level value ="debug"/>
     <appender-ref ref="UCF_Exception" />
</log4j.logger.UCFExceptionLogger>
</log4j:configuration>
getting exception
log4j:WARN No appenders could be found for logger (UCFExceptionLogger).
log4j:WARN Please initialize the log4j system properly.
Can someone help me...

Answer 1

I'm not 100% sure this is possible with log4j, but if it is then you've still got some errors in your log4j.xml file
Change
<log4j.logger.UCFExceptionLogger>
   <level value ="debug"/>
   <appender-ref ref="UCF_Exception" />
</log4j.logger.UCFExceptionLogger>to
<logger name="UCFExceptionLogger>
   <level value="debug"/>
   <appender-ref ref="UCF_Exception" />
</logger>
The log4j jar includes a DTD. You can use the free version of XMLSpy to validate your log4j.xml file against it.
Steve