examples/tiny-webapp/Hello/WebRoot/WEB-INF/classes/hello-log4j.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration >

<configuration xmlns='http://logging.apache.org/'>

  <!-- Append log to the CONSOLE appender -->
  <appender name="console" class="org.apache.log4j.ConsoleAppender">
    <layout class="org.apache.log4j.PatternLayout">
      <param name="ConversionPattern" value="HELLO %-5p [%t] %c - %m%n"/>
    </layout>
  </appender>

  <root>
    <level value="debug"/>
    <appender-ref ref="console"/>
  </root>
 

</configuration>