Maven创建web项目 搭建ssh框架不能用?报错

web.xml报错 这是web.xml源码 ，请大侠帮忙看下

<?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>Archetype Created Web Application</display-name>
    <filter>  
    <filter-name>struts2</filter-name>  
    <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>  
    <init-param>  
        <param-name>actionPackages</param-name>  
        <param-value>com.cjm.web.action</param-value>  
    </init-param>  
</filter>  
<filter-mapping>  
    <filter-name>struts2</filter-name>  
    <url-pattern>/*</url-pattern>  
</filter-mapping>

</web-app>