Struts+Hibernate部署问题，急!

在本地运行完全正常的情况，将所以文件上传至服务器之后，index.jsp一直无法访问到。但是将WEB-INF的文件夹名字改一下，就可以访问到，这是什么问题?
运行服务器为tomcatweb.xml如下：
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.4" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee   http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
  <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>
    <init-param>
      <param-name>debug</param-name>
      <param-value>3</param-value>
    </init-param>
    <init-param>
      <param-name>detail</param-name>
      <param-value>3</param-value>
    </init-param>
    <load-on-startup>0</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>action</servlet-name>
    <url-pattern>*.do</url-pattern>
  </servlet-mapping>
  <filter>
   <filter-name>hibernateSessionFilter</filter-name>
   <filter-class>com.qiyilighting.struts.filter.HibernateSessionFilter</filter-class>
  </filter>
  <filter-mapping>
   <filter-name>hibernateSessionFilter</filter-name>
   <url-pattern>/*</url-pattern>
  </filter-mapping>
  <filter>
   <filter-name>encodingFilter</filter-name>
   <filter-class>com.qiyilighting.struts.filter.EncodingFilter</filter-class>
  </filter>
  <filter-mapping>
   <filter-name>encodingFilter</filter-name>
   <url-pattern>/*</url-pattern>
  </filter-mapping>  <listener>
   <listener-class>com.qiyilighting.struts.listener.HibernateSessionListener</listener-class>
  </listener>
  <listener>
   <listener-class>com.qiyilighting.struts.listener.ApplicationListener</listener-class>
  </listener>
  <filter>
   <filter-name>userAccessFilter</filter-name>
   <filter-class>com.qiyilighting.struts.filter.UserAccessFilter</filter-class>
  </filter>
  <filter-mapping>
   <filter-name>userAccessFilter</filter-name>
   <url-pattern>/Manager/*</url-pattern>
  </filter-mapping>
  <filter-mapping>
   <filter-name>userAccessFilter</filter-name>
   <url-pattern>/Designer/*</url-pattern>
  </filter-mapping>
  <filter-mapping>
   <filter-name>userAccessFilter</filter-name>
   <url-pattern>/Distributor/*</url-pattern>
  </filter-mapping>
  <filter>
   <filter-name>superManagerFilter</filter-name>
   <filter-class>com.qiyilighting.struts.filter.SuperManagerFilter</filter-class>
  </filter>
  <filter-mapping>
   <filter-name>superManagerFilter</filter-name>
   <url-pattern>/Manager/mgmanager/addmanager.jsp</url-pattern>
  </filter-mapping>
    <filter>
   <filter-name>designerFilter</filter-name>
   <filter-class>com.qiyilighting.struts.filter.DesignerFilter</filter-class>
  </filter>
  <filter-mapping>
   <filter-name>designerFilter</filter-name>
   <url-pattern>/Designer/*</url-pattern>
  </filter-mapping>
</web-app>
请大侠帮帮忙,谢谢!!!!