求各位帮个忙看看错在那里？


package p160;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;public class servletToJsp extends HttpServlet
{
public void doGet(HttpServletRequest request,HttpServletResponse response)
 {  try
   {
    request.setAttribute("servletName","servletToJsp");
    getServletConfig().getServletContext().getRequestDispatcher("Myservlet/01/hello.jsp").forward(request,response);
   
   }catch(Exception e)
   {
    e.printStackTrace();
   }
}
public void doPost(HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException
{
doGet(request,response);
}
}
配置文件：<?xml version="1.0" encoding="UTF-8"?>
<web-app 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/web-app_2_4.xsd" version="2.4">
<servlet>
 <servlet-name>HelloServlet</servlet-name>
 <servlet-class>net.jp.servlet.HelloServlet</servlet-class>
</servlet><servlet>
 <servlet-name>CounterServlet</servlet-name>
 <servlet-class>p154.CounterServlet</servlet-class>
</servlet><servlet>
 <servlet-name>servletToJsp</servlet-name>
 <servlet-class>p160.servletToJsp</servlet-class>
</servlet><servlet-mapping>
  <servlet-name>HelloServlet</servlet-name>
  <url-pattern>/Hello</url-pattern>
</servlet-mapping><servlet-mapping>
  <servlet-name>CounterServlet</servlet-name>
  <url-pattern>/Counter/*</url-pattern>
</servlet-mapping><servlet-mapping>
  <servlet-name>servletToJsp</servlet-name>
  <url-pattern>/servletToJsp</url-pattern>
</servlet-mapping></web-app>