HTTP method GET is not supported by this URL(转自小顾问博客)

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转自链接:http://www.cnblogs.com/panjun-Donet/archive/2009/04/04/1429585.html 

Servlet  eroor:HTTP method GET is not supported by this URL

错误提示:

 type: Status report

message: HTTP method GET is not supported by this URL

description: The specified HTTP method is not allowed for the requested resource (HTTP method GET is not supported by this URL).

原因:

1,继承自HttpServlet的Servlet没有重写对于请求和响应的处理方法:doGet或doPost等方法;默认调用父类的doGet或doPost等方法;

2,父类HttpServlet的doGet或doPost等方法覆盖了你重写的doGet或doPost等方法;

不管是1或2,父类HttpServlet的doGet或doPost等方法的默认实现是返回状态代码为405的HTTP错误表示对于指定资源的请求方法不被允许。

解决方法:

1,子类重写doGet或doPost等方法;

 2,在你扩展的Servlert中重写doGet或doPost等方法来处理请求和响应时 不要调用父类HttpServlet的doGet或doPost等方法,即去掉super.doGet(request, response)和super.doPost(request, response); 

 

 web.config的配置

----------------------------------------------------------------

(自己代码,红色标注错误)

package servlet;

 

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;

 

//继承与HttpServlet

public class HelloServlet extends HttpServlet {

 

@Override

protected void doGet(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

// TODO Auto-generated method stub

//super.doGet(request, response);

System.out.println("处理Get请求。。。。");

response.setContentType("text/html;charset=utf-8");

PrintWriter out=response.getWriter();

out.println("HELLO SERVLET!");

}

 

@Override

protected void doPost(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

// TODO Auto-generated method stub

//super.doPost(request, response);

}

 

}

 

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