yassine

 <appender name="FILE" class="org.apache.log4j.DailyRollingFileAppender">      <param name="File" value="server.log"/>      <param name="Append" value="false"/>      <!-- Rollover at midnight each day -->      <param name="DatePattern" value="'.'yyyy-MM-dd"/>      <!-- Rollover at the top of each hour      <param name="DatePattern" value="'.'yyyy-MM-dd-HH"/>      -->      <layout class="org.apache.log4j.PatternLayout">         <!-- The default pattern: Date Priority [Category] Message\n -->         <param name="ConversionPattern" value="%d %-5p [%c] %m%n"/>         <!-- The full pattern: Date MS Priority [Category] (Thread:NDC) Message\n         <param name="ConversionPattern" value="%d %-5r %-5p [%c] (%t:%x) %m%n"/>          -->      </layout>   </appender>... <appender name="CONSOLE" class="org.apache.log4j.ConsoleAppender">      <param name="Target" value="System.out"/>      <param name="Threshold" value="DEBUG"/>      <layout class="org.apache.log4j.PatternLayout">         <!-- The default pattern: Date Priority [Category] Message\n -->         <param name="ConversionPattern" value="%d{ABSOLUTE} %-5p [%c{1}] %m%n"/>      </layout>   </appender>	... <root>      <appender-ref ref="CONSOLE"/>      <appender-ref ref="FILE"/>   </root>