response.setContentType("text/html");
java.io.PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("<title>Error Page Servlet</title>");
out.println("</head>");
out.println("<body>");
out.println("<h2>Error Information</h2>");
out.println("Regretably, an error occurred. Here is the information:<br><br>");
Exception exception = (Exception) request.getAttribute("javax.servlet.error.exception");
String servletName = (String) request.getAttribute("javax.servlet.error.servlet_name");
out.println("The servlet name that generated the exception: "+servletName+"<br>");
out.println("Exception message: "+exception.getMessage());
out.println("</body>");
out.println("</html>");
out.close();
