login form in jsp is not working

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I have developed a jsp page for login form along with a servlet named main.
code of Home.jsp:
<%--
Document : Home
Created on : Oct 11, 2014, 2:55:09 PM
Author : Devil -Boss
--%>

<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JSP Page</title>
</head>
<body>

Index
About Us
Contact Us

<form method="post" action="Main">

Username: <input type="text" name="txtusername">

password: <input type="password" name="pas">

Go : <input type="submit" value="submit">

</form>

Hello World!

</body>
</html>
----------------------------------------------------------------------------------------
the code of main.java:
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package Main;

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;
import org.apache.catalina.Session;

/**
*
* @author Devil -Boss
*/
public class Main extends HttpServlet {

/**
* Processes requests for both HTTP
* GET and
* POST methods.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
System.out.println("k");
PrintWriter out = response.getWriter();
try {
String username = request.getParameter("txtusername");
String password = request.getParameter("pas");
if((username.equals("Tushar")) && password.equals("nitin123"))
{
response.sendRedirect("Home.jsp");
// out.println("Most Welcome"+username);
}
else
{
response.sendRedirect("Sorry!.jsp");
}
} finally {
out.close();
}
}
}
but when i run the whole project it produce the following exceptions:

HTTP Status 404 - /Hospital_Management/

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

type Status report

message /Hospital_Management/

description The requested resource (/Hospital_Management/) is not available.

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

Apache Tomcat/7.0.22

Posted 14-Oct-14 0:40am

tusharkaushik

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