src/webapp/WEB-INF/logkit.xconf

<?xml version="1.0"?>

<logkit>
  <factories>
    <factory type="priority-filter" class="org.apache.avalon.excalibur.logger.factory.PriorityFilterTargetFactory"/>
    <factory type="servlet" class="org.apache.avalon.excalibur.logger.factory.ServletTargetFactory"/>
    <factory type="cocoon" class="org.apache.cocoon.util.log.CocoonTargetFactory"/>
  </factories>

  <targets>
    <cocoon id="cocoon">
      <filename>${context-root}/WEB-INF/logs/cocoon.log</filename>
      <format type="cocoon">
        %7.7{priority} %{time}   [%8.8{category}] (%{uri}) %{thread}/%{class:short}: %{message}\n%{throwable}
      </format>
      <append>true</append>
      <rotation type="revolving" init="1" max="4">
        <or>
          <size>100m</size>
          <time>01:00:00</time>
        </or>
      </rotation>
    </cocoon>

    <cocoon id="root">
      <filename>${context-root}/WEB-INF/logs/root.log</filename>
     
      <format type="cocoon">
        %7.7{priority} %{time}   [%8.8{category}] (%{uri}) %{thread}/%{class:short}: %{message}\n%{throwable}
      </format>
      <append>true</append>
      <rotation type="revolving" init="1" max="4">
        <or>
          <size>100m</size>
          <time>01:00:00</time>
        </or>
      </rotation>
    </cocoon>

    <cocoon id="components">
      <filename>${context-root}/WEB-INF/logs/components.log</filename>
      <format type="cocoon">
        %7.7{priority} %{time}   [%8.8{category}] (%{uri}) %{thread}/%{class:short}: %{message}\n%{throwable}
      </format>
      <append>true</append>
      <rotation type="revolving" init="1" max="4">
        <or>
          <size>100m</size>
          <time>01:00:00</time>
        </or>
      </rotation>
    </cocoon>

    <priority-filter id="filter" log-level="ERROR">
      <servlet>
        <format type="extended">%7.7{priority} %5.5{time}: %{message}\n%{throwable}</format>
      </servlet>
    </priority-filter>
  </targets>

  <categories>
    <category name="cocoon" log-level="ERROR">
      <log-target id-ref="cocoon"/>
    </category>
    <category name="root" log-level="ERROR">
      <log-target id-ref="root"/>
      <category name="store" log-level="ERROR">
         <log-target id-ref="components"/>
         <log-target id-ref="filter"/>
      </category>

      <category name="xslt" log-level="ERROR">
         <log-target id-ref="components"/>
         <log-target id-ref="filter"/>
      </category>
    </category>
  </categories>
</logkit>