初学structs2出现的问题

Question

严重: Exception starting filter Struts 2.0
java.lang.ClassNotFoundException: org.apache.Struts 2.0.dispatcher.FilterDispatcher
去掉web.xml中的file的内容 就不会出现上面的错误，web.xml中应该怎么写啊<?xml version="1.0" encoding="UTF-8"?>
<web-app>
    <display-name>Struts 2.0.0</display-name>    <filter>
        <filter-name>Struts 2.0</filter-name>
        <filter-class>org.apache.Struts 2.0.dispatcher.FilterDispatcher</filter-class>
        
        <init-param>  
        <param-name>config</param-name>  
        <param-value>  
        struts-default.xml,struts-plugin.xml,struts.xml  
        </param-value>  
        </init-param>  
        
    </filter>    <filter-mapping>
        <filter-name>Struts 2.0</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
        </web-app>

Answer 1

filter配置错了，没有这个过滤器类，好像是org.apache.struts.dispatcher.FilterDispatcher

Answer 2

<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" 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.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>

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


<filter>
<filter-name>struts2</filter-name>
<filter-class>
org.apache.struts2.dispatcher.FilterDispatcher
</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>



<jsp-config>   <taglib>
    <taglib-uri>/WEB-INF/page.tld</taglib-uri>
    <taglib-location>/WEB-INF/page.tld</taglib-location>
  </taglib>
  
</jsp-config>

</web-app>

Answer 3

<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" 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">
<filter>
<filter-name>struts2</filter-name>
<filter-class>
org.apache.struts2.dispatcher.FilterDispatcher
</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<security-constraint>
     <web-resource-collection>
   <web-resource-name>JSPs</web-resource-name>
<url-pattern>/jsp/*</url-pattern>
<auth-constraint>
</web-resource-collection>
</security-constraint>
</web-app>

Answer 4

<filter-class>org.apache.Struts2.dispatcher.FilterDispatcher</filter-class>