jsp 表单post提交数据乱码 ，继续无限崩溃中。 求解。解决办法

<?xml version="1.0" encoding="UTF-8"?><web-app version="2.5"     xmlns="http://java.sun.com/xml/ns/javaee"     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"     xsi:schemaLocation="http://java.sun.com/xml/ns/javaee     http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">    <!-- 字符过滤器-->   <filter>    <filter-name>EncodingFilter</filter-name>    <filter-class>com.pro.filter.EncodingFilter</filter-class>    <init-param>      <param-name>encoding</param-name>      <param-value>UTF-8</param-value>    </init-param>  </filter>  <filter-mapping>    <filter-name>EncodingFilter</filter-name>    <url-pattern>*.jsp</url-pattern>  </filter-mapping>  <filter-mapping>    <filter-name>EncodingFilter</filter-name>    <url-pattern>*.act</url-pattern>  </filter-mapping>  <filter-mapping>    <filter-name>EncodingFilter</filter-name>    <url-pattern>*.html</url-pattern>  </filter-mapping>      <welcome-file-list>    <welcome-file>index.jsp</welcome-file>  </welcome-file-list></web-app>

package com.pro.filter;import java.io.IOException;import javax.servlet.Filter;import javax.servlet.FilterChain;import javax.servlet.FilterConfig;import javax.servlet.ServletException;import javax.servlet.ServletRequest;import javax.servlet.ServletResponse;public class EncodingFilter implements Filter {    private FilterConfig filterConfig = null;    public void init(FilterConfig fc) throws ServletException {        this.filterConfig = fc;    }    public void doFilter(ServletRequest req, ServletResponse res,            FilterChain chain) throws IOException, ServletException {            String encoding = filterConfig.getInitParameter("encoding");        req.setCharacterEncoding(encoding);        res.setCharacterEncoding(encoding);        res.setContentType("text/html;charset=" + encoding);        System.err.println("encoding"+encoding);        System.err.println(req.getCharacterEncoding());        System.err.println(res.getCharacterEncoding());        System.err.println(res.getContentType());        chain.doFilter(req, res);    }    public void destroy() {        this.filterConfig = null;    }}

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>   <form action="test.jsp" method="get">       <input type="text" name="message" />       <input type="submit">   </form>

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>   <%=request.getParameter("message") %>