struts1.2表单无法提交

web.xml配置如下：
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.5"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee   http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
   <welcome-file-list>
<welcome-file>/index.jsp</welcome-file>
</welcome-file-list> <filter>
<filter-name>encoding</filter-name>
<filter-class>org.lxh.znt.filter.EncodingFilter</filter-class>
<init-param>
<param-name>charset</param-name>
<param-value>gbk</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encoding</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping> <!-- <listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
/WEB-INF/classes/applicationContext.xml
</param-value>
</context-param>
<servlet>
<servlet-name>context</servlet-name>
<servlet-class>
org.springframework.web.context.ContextLoaderServlet
</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet> <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>

</web-app>struts配置如下：
<?xml version="1.0" encoding="UTF-8"?>
<!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>
  <data-sources />
  <form-beans >
    <form-bean name="userForm" type="org.lxh.znt.struts.form.UserForm" />  </form-beans>  <global-exceptions />
  <global-forwards />
  <action-mappings >
   <action attribute="userForm" 
           input="/jsp/errors.jsp" 
           name="userForm" 
           parameter="status" 
           path="/jsp/user"
           scope="request"  
           type="org.lxh.znt.struts.action.UserAction" >
      <forward name="" path="/jsp/index.jsp"></forward>
      <forward name="registerfailure" path="/jsp/register.jsp"></forward>
      </action>  </action-mappings>   <controller processorClass="org.springframework.web.struts.DelegatingRequestProcessor"></controller>
  <message-resources parameter="org.lxh.znt.struts.ApplicationResources" />
  <plug-in className="org.springframework.web.struts.ContextLoaderPlugIn">
    <set-property property="contextConfigLocation" value="/WEB-INF/classes/applicationContext.xml" />
  </plug-in>
</struts-config>页面文件如下：
<%@ page contentType="text/html;charset=gbk"%>
<%@ page import="java.util.*"%>
<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean" %>
<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html" %>
<%@ taglib uri="http://struts.apache.org/tags-logic" prefix="logic" %>
<%@ taglib uri="http://struts.apache.org/tags-tiles" prefix="tiles" %>
<html lang="true">
<head>
<title>MLDN —— 我的智囊团</title>
<META NAME="Generator" CONTENT="Struts + Spring + Hibernate + MySQL + Tomcat + CP">
<META NAME="Author" CONTENT="李兴华">
<META NAME="Keywords" CONTENT="智囊团,SSH,tomcat,mysql">
<META NAME="Description" CONTENT="MLDN旗下网站 —— www.zhinangtuan.net.cn">
</head>
<body>
<center>
<jsp:include flush="true" page="../inc/template.jsp">
<jsp:param  name="url" value="../"/>
</jsp:include>
<h1>用户注册</h1>
<form action="jsp/user.do" method="post">
  
     用户id<input type=text name="userid"><br>
    用户密码<input type=password name="userpwd"><br>
    确认密码:<input type=password name="confirmpwd"><br>
丢失问题<input type=text name="userques"><br>
丢失答案<input type=text name="userans"><br>
验证码<input name="checkcode"><img src="image.jsp"><br>
<input type="hidden" name="status" value="register">
<input type="hidden" name="type" value="1">
 <input type="submit" name="submit" value="注册">
 <input type="reset" value="重置">
 <br>
 <label class="black">记住密码</label>
</form>