Mega Code Archive
Servlet Error Display
<![CDATA[
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
public class MyServlet extends HttpServlet {
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
res.setContentType("text/html");
PrintWriter out = res.getWriter();
String code = null, message = null, type = null;
Object codeObj, messageObj, typeObj;
codeObj = req.getAttribute("javax.servlet.error.status_code");
messageObj = req.getAttribute("javax.servlet.error.message");
typeObj = req.getAttribute("javax.servlet.error.exception_type");
if (codeObj != null) code = codeObj.toString();
if (messageObj != null) message = messageObj.toString();
if (typeObj != null) type = typeObj.toString();
String reason = (code != null ? code : type);
out.println("<HTML>");
out.println("<HEAD><TITLE>" + reason + ": " + message + "</TITLE></HEAD>");
out.println("<BODY>");
out.println("<H1>" + reason + "</H1>");
out.println("<H2>" + message + "</H2>");
out.println("<HR>");
out.println("<I>Error accessing " + req.getRequestURI() + "</I>");
out.println("</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>
]]>