Http status 404错误 高手帮忙…… tomcat+struts+jsp
怎么弄都是404错误      实在看不出来哪有问题了……      高手帮忙…… 
 web.xml: 
  <?xml   version= "1.0 "   encoding= "UTF-8 "?>  
  <!DOCTYPE   web-app 
       PUBLIC    "-//Sun   Microsystems,   Inc.//DTD   Web   Application   2.2//EN " 
        "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd ">  
  <web-app>  
        <display-name> HelloApp   Struts   Application </display-name>    
              <servlet>  
                          <servlet-name> action </servlet-name>  
                          <servlet-class> org.apache.struts.action.ActionServlet </servlet-class>  
             	 <init-param>  
 	       <param-name> config </param-name>  
 	       <param-value> /WEB-INF/struts-config.xml </param-value>  
 	 </init-param>  
 	       <load-on-startup> 2 </load-on-startup>  
              </servlet>  
              <servlet-mapping>  
                          <servlet-name> action </servlet-name>  
                          <url-pattern> *.do </url-pattern>  
              </servlet-mapping>    
              <welcome-file-list>  
 	 <welcome-file> hello.jsp </welcome-file>  
              </welcome-file-list>    
              <taglib>  
 	 <taglib-url> /WEB-INF/struts-bean.tld </taglib-url>  
 	 <taglib-loacation> /WEB-INF/Struts-bean.tld </taglib-location>  
              </taglib>    
                 <taglib>  
                          <taglib-url> /WEB-INF/struts-html.tld </taglib-url>  
                          <taglib-location> /WEB-INF/Struts-html.tld </taglib-location>  
              </taglib>    
                 <taglib>  
                          <taglib-url> /WEB-INF/struts-logic.tld </taglib-url>  
                          <taglib-location> /WEB-INF/Struts-logic.tld </taglib-location>  
              </taglib>      
  </web-app>      
 struts-config.xml:   
  <?xml   version= "1.0 "   encoding= "ISO-8859-1 "   ?>  
  <!DOCTYPE   struts-config   PUBLIC 
                                "-//Apache   Software   Foundation//DTD   Struts   Configuration   1.2//EN " 
                                "http://struts.apache.org/dtds/struts-config_1_2.dtd ">    
  <struts-config>  
              <form-beans>  
 	 <form-bean   name= "HelloForm "   type= "hello.HelloForm "/>  
              </form-beans>    
              <action-mappings>