请求的资源不可用-Java、Servlet/Controller
大家好，我被困在这几个小时不知道我错过了什么。。。 我有几个简单的页面，其中一个是注册新用户。 我使用Eclipse和servlet作为控制器（MVC） register.jsp页面请求的资源不可用-Java、Servlet/Controller,java,jsp,servlets,Java,Jsp,Servlets,大家好，我被困在这几个小时不知道我错过了什么。。。 我有几个简单的页面，其中一个是注册新用户。 我使用Eclipse和servlet作为控制器（MVC） register.jsp页面 <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <!DOCTYPE ht
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>register page</title>
</head>
<body>
<form action="RegisterController" method="post">
<center>
<table border="1" width="15%" cellpadding="5">
<thead>
<tr>
<th colspan="2">Register Form</th>
</tr>
</thead>
<tbody>
<tr>
<td>Username</td>
<td><input type="text" name="userName" value=""></td>
</tr>
<tr>
<td>Password</td>
<td><input type="password" name="password" value=""/></td>
</tr>
<tr>
<td><center><input type="submit" value="Register"></center></td>
</tr>
</tbody>
</table>
</center>
</form>
</body>
</html>
/*registerController page*/
package com.IvgeniKravtsov.Project.Controller;
import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.IvgeniKravtsov.Project.Model.ToDoListPlatformException;
import com.IvgeniKravtsov.Project.Model.ToDoListService;
import com.IvgeniKravtsov.Project.Model.ToDoListUser;
/**
* Servlet implementation class RegisterController
*/
public class RegisterController extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String userName = request.getParameter("userName");
String password = request.getParameter("password");
ToDoListUser toDoListUser = new ToDoListUser(1,userName,password);
ToDoListService toDoListService = new ToDoListService();
try
{
toDoListService.addUser(toDoListUser);
RequestDispatcher rd = request.getRequestDispatcher("login.jsp");
rd.forward(request,response);
}
catch (ToDoListPlatformException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
<display-name>com.IvgeniKravtsov.Project</display-name>
<servlet>
<display-name>LoginController</display-name>
<servlet-name>LoginController</servlet-name>
<servlet-class>com.IvgeniKravtsov.Project.controller.LoginController</servlet-class>
</servlet>
<servlet>
<display-name>RegisterController</display-name>
<servlet-name>RegisterController</servlet-name>
<servlet-class>com.IvgeniKravtsov.Project.controller.RegisterController</servlet-class>
</servlet>
<servlet>
<display-name>ToDoListAddController</display-name>
<servlet-name>ToDoListAddController</servlet-name>
<servlet-class>com.IvgeniKravtsov.Project.controller.ToDoListAddController</servlet-class>
</servlet>
<servlet>
<display-name>ToDoListDeleteController</display-name>
<servlet-name>ToDoListDeleteController</servlet-name>
<servlet-class>com.IvgeniKravtsov.Project.controller.ToDoListDeleteController</servlet-class>
</servlet>
<servlet>
<display-name>ToDoListUpdateController</display-name>
<servlet-name>ToDoListUpdateController</servlet-name>
<servlet-class>com.IvgeniKravtsov.Project.controller.ToDoListUpdateController</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>LoginController</servlet-name>
<url-pattern>/LoginController</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>RegisterController</servlet-name>
<url-pattern>/RegisterController</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>ToDoListAddController</servlet-name>
<url-pattern>/ToDoListAddController</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>ToDoListDeleteController</servlet-name>
<url-pattern>/ToDoListDeleteController</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>ToDoListUpdateController</servlet-name>
<url-pattern>/ToDoListUpdateController</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>login.jsp</welcome-file>
</welcome-file-list>
</web-app>
<form action="<%=request.getContextPath()%>/RegisterController" method="post">
...
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使用web.xml编辑问题。您是否可以将register.jsp中表单标记下声明的操作属性替换为…/在Web.xml中为servlet声明的属性？我刚刚添加了Web.xml文件，但它没有帮助，我想我会尝试从头开始一个新项目，并将一些代码复制到新文件中等等。。。我有一种感觉，也许我在工作中的某个时候把项目本身搞砸了。
<form action="<%=request.getContextPath()%>/RegisterController" method="post">
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