container/webapps/balancer/WEB-INF/web.xml

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
     PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
    "http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
  <!-- BalancerFilter definition -->
  <filter>
    <filter-name>BalancerFilter</filter-name>
    <filter-class>org.apache.webapp.balancer.BalancerFilter</filter-class>
    <init-param>
      <param-name>configUrl</param-name>
      <param-value>/WEB-INF/config/rules.xml</param-value>
    </init-param>
  </filter>

  <!-- BalancerFilter mapping -->
  <filter-mapping>
    <filter-name>BalancerFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
</web-app>