apps/showcase/src/main/webapp/WEB-INF/web.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
-->
<web-app id="starter" version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

    <display-name>Struts Showcase Application</display-name>

    <context-param>
        <param-name>org.apache.tiles.definition.DefinitionsFactory.DEFINITIONS_CONFIG</param-name>
        <param-value>
            /WEB-INF/tiles.xml
        </param-value>
    </context-param>

    <filter>
        <filter-name>async</filter-name>
        <filter-class>org.apache.struts2.showcase.async.AsyncFilter</filter-class>
        <async-supported>true</async-supported>
    </filter>

    <filter>
        <filter-name>struts-prepare</filter-name>
        <filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareFilter</filter-class>
    </filter>

    <filter>
        <filter-name>struts-execute</filter-name>
        <filter-class>org.apache.struts2.dispatcher.filter.StrutsExecuteFilter</filter-class>
    </filter>


   <filter>
       <filter-name>sitemesh</filter-name>
       <filter-class>com.opensymphony.sitemesh.webapp.SiteMeshFilter</filter-class>
   </filter>

    <filter-mapping>
        <filter-name>async</filter-name>
        <url-pattern>/async/*</url-pattern>
    </filter-mapping>

    <filter-mapping>
        <filter-name>struts-prepare</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <filter-mapping>
        <filter-name>sitemesh</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <filter-mapping>
        <filter-name>struts-execute</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

    <listener>
        <listener-class>
            org.apache.struts2.tiles.StrutsTilesListener
        </listener-class>
    </listener>
    
    <!-- Chat Example in Showcase -->
    <listener>
    	<listener-class>
    	  org.apache.struts2.showcase.chat.ChatSessionListener
    	</listener-class>
    </listener>

    <listener>
        <listener-class>org.apache.struts2.dispatcher.listener.StrutsListener</listener-class>
    </listener>
	
    <!-- SNIPPET START: dwr -->

    <servlet>
        <servlet-name>dwr</servlet-name>
        <servlet-class>org.directwebremoting.servlet.DwrServlet</servlet-class>
        <init-param>
            <param-name>debug</param-name>
            <param-value>true</param-value>
        </init-param>
    </servlet>
	<servlet>
    	<servlet-name>JspSupportServlet</servlet-name>
    	<servlet-class>org.apache.struts2.views.JspSupportServlet</servlet-class>
    	<load-on-startup>1</load-on-startup>
  	</servlet>

      <!-- Sitemesh Freemarker and Velocity Decorator Servlets. Shares configuration with Struts.-->
    <servlet>
        <servlet-name>sitemesh-freemarker</servlet-name>
        <servlet-class>org.apache.struts2.sitemesh.FreemarkerDecoratorServlet</servlet-class>
        <init-param>
            <param-name>default_encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet>
        <servlet-name>sitemesh-velocity</servlet-name>
        <servlet-class>org.apache.struts2.sitemesh.VelocityDecoratorServlet</servlet-class>
        <init-param>
            <param-name>default_encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet>
        <servlet-name>strutsServlet</servlet-name>
        <servlet-class>org.apache.struts2.dispatcher.servlet.StrutsServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
        <async-supported>true</async-supported>
    </servlet>

    <servlet-mapping>
        <servlet-name>dwr</servlet-name>
        <url-pattern>/dwr/*</url-pattern>
    </servlet-mapping>

    <servlet-mapping>
        <servlet-name>sitemesh-freemarker</servlet-name>
        <url-pattern>*.ftl</url-pattern>
    </servlet-mapping>

    <servlet-mapping>
        <servlet-name>sitemesh-velocity</servlet-name>
        <url-pattern>*.vm</url-pattern>
    </servlet-mapping>

    <servlet-mapping>
        <servlet-name>strutsServlet</servlet-name>
        <url-pattern>/async/receiveNewMessages</url-pattern>
    </servlet-mapping>

    <!-- END SNIPPET: dwr -->

    <!-- SNIPPET START: example.velocity.filter.chain
        <filter>
            <filter-name>struts-cleanup</filter-name>
            <filter-class>org.apache.struts2.dispatcher.ActionContextCleanUp</filter-class>
        </filter>
        <filter>
            <filter-name>sitemesh</filter-name>
            <filter-class>org.apache.struts2.sitemesh.VelocityPageFilter</filter-class>
        </filter>
        <filter>
            <filter-name>struts</filter-name>
            <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
        </filter>

        <filter-mapping>
            <filter-name>struts-cleanup</filter-name>
            <url-pattern>/*</url-pattern>
        </filter-mapping>
        <filter-mapping>
            <filter-name>sitemesh</filter-name>
            <url-pattern>/*</url-pattern>
        </filter-mapping>
        <filter-mapping>
            <filter-name>struts</filter-name>
            <url-pattern>/*</url-pattern>
        </filter-mapping>
    END SNIPPET: example.velocity.filter.chain -->

    <!-- SNIPPET START: example.freemarker.filter.chain
    <filter>
        <filter-name>struts-cleanup</filter-name>
        <filter-class>org.apache.struts2.dispatcher.ActionContextCleanUp</filter-class>
    </filter>
    <filter>
        <filter-name>sitemesh</filter-name>
        <filter-class>org.apache.struts2.sitemesh.FreeMarkerPageFilter</filter-class>
    </filter>
    <filter>
        <filter-name>struts</filter-name>
        <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
    </filter>

    <filter-mapping>
        <filter-name>struts-cleanup</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <filter-mapping>
        <filter-name>sitemesh</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <filter-mapping>
        <filter-name>struts</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    END SNIPPET: example.freemarker.filter.chain -->

    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
        <welcome-file>default.jsp</welcome-file>
        <welcome-file>index.html</welcome-file>
    </welcome-file-list>

    <!-- Restricts access to pure JSP files - access available only via Struts action -->
    <security-constraint>
        <display-name>No direct JSP access</display-name>
        <web-resource-collection>
            <web-resource-name>No-JSP</web-resource-name>
            <url-pattern>*.jsp</url-pattern>
        </web-resource-collection>
        <auth-constraint>
            <role-name>no-users</role-name>
        </auth-constraint>
    </security-constraint>

    <security-role>
        <description>Don't assign users to this role</description>
        <role-name>no-users</role-name>
    </security-role>

</web-app>