Log4J Log rotate

It's better to log rotate by Java side than using Linux/Unix logrotate.
This is the example for log4J v1.2x (The v1.3 development is stopped by the way.) series , "log4j.xml" file.

By using DailyRollingFileAppender, you can log rotate as the date base.

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
 <!--Definition of the File Appender -->
    <appender name="file" class="org.apache.log4j.DailyRollingFileAppender">
     <!-- Date pattern policy -->
        <param name="DatePattern" value=".yyyy-ww" />
      
      <param name="File" value="logs/hibernate.log"/>
      <!-- Log append -->
     <param name="Append" value="true" />
     
     <!-- Log layout -->
     <layout class="org.apache.log4j.PatternLayout">
         <param name="ConversionPattern" value="%d %5p %c{1} - %m%n" />
      </layout>
     
     <!-- Default log level -->
     <param name="threshold" value="info"/>
     
    </appender>
    
    <!--Console log appender -->
    <appender name="stdout" class="org.apache.log4j.ConsoleAppender">
     <!-- Default log level -->
        <param name="threshold" value="info"/>
        <!-- log layout -->
        <layout class="org.apache.log4j.PatternLayout">
            <param name="ConversionPattern" value="%d %5p %c{1} - %m%n"/>
        </layout>
    </appender>

  <root>
    <appender-ref ref="stdout"/>
    <appender-ref ref="file"/>
  </root>
</log4j:configuration>