Sample log4j.xml

log4j.xml

<log4j:configuration debug="true" xmlns:log4j="http://jakarta.apache.org/log4j/"> 
 
<appender class="org.apache.log4j.RollingFileAppender" name="ROLL"> 
<param name="Threshold" value="DEBUG" /><param name="File" value="${catalina.base}/logs/my.log" />
<param name="Append" value="true" /><param name="MaxFileSize" value="1MB" /><param name="MaxBackupIndex" value="5" /><layout class="org.apache.log4j.PatternLayout"> 
 <param name="ConversionPattern" value="%d %-5p [%c] %m%n" /></layout> 
</appender>

<appender class="org.apache.log4j.ConsoleAppender" name="CONSOLE"> 
<param name="Target" value="System.out" /><param name="Threshold" value="DEBUG" /><layout class="org.apache.log4j.PatternLayout">  
 <param name="ConversionPattern" value="%d{ABSOLUTE} %-5p [%c{1}] %m%n" /></layout> 
</appender>
<logger name="org.hibernate.tool.hbm2ddl">
  <level value="DEBUG">
  <appender-ref ref="ROLL">
</appender-ref></level></logger>
<root>
    <level value="DEBUG"></level>
    <appender-ref ref="ROLL">
</appender-ref></root>
</log4j:configuration>