Generate Servlet Exception : Exception « Servlet « Java Tutorial

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class MyServlet extends HttpServlet {
   
  public void init(ServletConfig config) throws ServletException {
   super.init(config);
   throw new NullPointerException();
  }

  public void doGet (HttpServletRequest req, HttpServletResponse res)
                              throws IOException, ServletException
  {
    ServletOutputStream out = res.getOutputStream();
    res.setContentType("text/html");
    out.println("<html><head><title>Exception Thrower</title></head>");
    out.println("<body>You'll never see this!</body></html>");

  }
}

<?xml version="1.0" encoding="ISO-8859-1"?>

<!DOCTYPE web-app
    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
    "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">

<web-app>
    <servlet><servlet-name>MyServletName</servlet-name>
             <servlet-class>MyServlet</servlet-class>

             
    </servlet>
    
    <servlet-mapping><servlet-name>MyServletName</servlet-name>
        <url-pattern>/index.html</url-pattern>
    </servlet-mapping>
</web-app>

Download: ServletGenerateException.zip( 88 k)

25.19.Exception
	25.19.1.	Generate Servlet Exception