你好世界的servlet不工作

问题描述：

我是个想了好几个小时，现在运行在Eclipse中一个简单的Hello World程序，使用Servlet但不工作，看一些教程，但没有运气，如果有一个人能请看看它你好世界的servlet不工作

我的错误和工程资源管理器

my error and project explorer

我的servlet类

    /** 
    * Servlet implementation class HelloWorldServlet 
     */ 
    public class HelloWorldServlet extends HttpServlet { 
private static final long serialVersionUID = 1L; 

/** 
* @see HttpServlet#HttpServlet() 
*/ 
public HelloWorldServlet() { 
    super(); 
    // TODO Auto-generated constructor stub 
} 

/** 
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) 
*/ 
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { 
    PrintWriter out = response.getWriter(); 
    out.println("Hello World"); 
} 

/** 
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) 
*/ 
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { 
    // TODO Auto-generated method stub 
}

我的web.xml

  <?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>FirstServlet</display-name> 
     <welcome-file-list> 
     <welcome-file>index.html</welcome-file> 
     <welcome-file>index.htm</welcome-file> 
     <welcome-file>index.jsp</welcome-file> 
     <welcome-file>default.html</welcome-file> 
    <welcome-file>default.htm</welcome-file> 
     <welcome-file>default.jsp</welcome-file> 
    </welcome-file-list> 
    <servlet> 
     <description></description> 
    <display-name>HelloWorldServlet</display-name> 
    <servlet-name>HelloWorldServlet</servlet-name> 
    <servlet-class>com.theopentutorials.servlets.HelloWorldServlet</servlet-class> 
    </servlet> 
    <servlet-mapping> 
     <servlet-name>HelloWorldServlet</servlet-name> 
    <url-pattern>/HelloWorldServlet</url-pattern> 
    </servlet-mapping> 
    </web-app>

你可以发布你的代码和mot图片吗？这会让阅读更容易。代码粘贴 – 2013-02-10 04:51:52

。请看看 – junaidp 2013-02-10 04:55:25

@junaidp您使用JDK 7还是JDK 6？你用tomcat6吧？ – erhun 2013-02-10 13:15:23

答

删除您的bin目录，并重新编译您的项目。同时检查新生成的班级是否放在垃圾桶中

你好世界的servlet不工作

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