tapestry-core/src/test/symbolparam/WEB-INF/web.xml

<?xml version="1.0" encoding="UTF-8"?>
<!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>
  <display-name>Integration Test Symbol Param Override</display-name>
  <context-param>
    <param-name>tapestry.app-package</param-name>
    <param-value>org.apache.tapestry5.integration.symbolparam</param-value>
  </context-param>
  <filter>
    <filter-name>app</filter-name>
    <filter-class>org.apache.tapestry5.TapestryFilter</filter-class>
  </filter>
  <filter-mapping>
    <filter-name>app</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
</web-app>