tomcat HTTP Status 404
來源：互聯網
上載者：User
今天要用到Servlet所以就tomcat了一把 ,^_^,但是在寫了一個簡單的小例子之後啟動tomcat後突然報了 HTTP Status 404這個鬼錯誤 .其實404這種錯誤的原因的種類比較多,在這裡我僅將自己遇到的問題在這裡給大家說一下.
首先我寫了一個servlet,代碼如下:
package com;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/*
* Create Date:2008-3-31 下午02:36:44
*
* Author: chunwei wang
*
* Version: V1.0
*
* Description：對進行修改的功能進行描述
*
*
*/
public class MyServlet extends HttpServlet{
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
PrintWriter out = response.getWriter();
out.println("Hello World");
response.setContentType("text/html;charset=gb2312");
String name=request.getParameter("name");
String age=request.getParameter("age");
String sex=request.getParameter("sex");
out.print(name);
out.print(age);
out.print(sex);
System.out.println(name);
System.out.println(age);
System.out.println(sex);
}
@Override
protected void doPost(HttpServletRequest arg0, HttpServletResponse arg1) throws ServletException, IOException {
// TODO Auto-generated method stub
doGet(arg0, arg1);
}
}
那個表單頁面代碼如下:
<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'index.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<form name="myForm" action="test2" method="post">
<h2 align="center">
使用者資訊
</h2>
姓名:
<input type="text" name="name">
<br>
年齡:
<input type="text" name="age">
<br>
性別:
<input type="text" name="sex">
<br>
<input type="submit" value="提交">
<input type="reset" value="清除">
</form>
</body>
</html>
web.xml檔案配置如下:
<?xml version="1.0" encoding="UTF-8"?>
<web-app 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">
<servlet>
<servlet-name>test</servlet-name>
<servlet-class>com.MyServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>test</servlet-name>
<url-pattern>/test2</url-pattern>
</servlet-mapping>
</web-app>
其實我的問題主要是出在 <form name="myForm" action="test2" method="post">這個地方,因為我把action的test2前面多加了一個/,所以就報了那種鬼錯誤,我記得以前自己用的時候也加/了 ,當時就沒有那種錯誤,但這次就死活不行,我倒.不管怎麼樣這次就這樣該就OK了.還有我要提示一點就是以後大家在用到Struts的時候表單的FormAction好像要加/.如果到時候在出現類似的錯誤大家注意一下就可以了.
