严重: Caught exception while loading file xwork.xml

这个问题困扰了我好久，到最后原来是xwork配置文件写的有问题，标准xwork.xml简单案例如下

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4"
 xmlns="http://java.sun.com/xml/ns/j2ee"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
 http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
 
  <servlet>
  <servlet-name>webwork</servlet-name>
  <servlet-class>com.opensymphony.webwork.dispatcher.ServletDispatcher</servlet-class>
  </servlet>

 <servlet-mapping>
  <servlet-name>webwork</servlet-name>
  <url-pattern>*.action</url-pattern>
 </servlet-mapping>
 
 

 
</web-app>