handle exception in servlet

[Peter Straw]

Please can you tell me how it is possible to send an error message to a jsp page from a servlet when an exception has been caught.
Say I have a class MyException.java which creates a string to show a user-friendly error message. How can I get this to forward to myError.jsp as the exception class has no handle on the request or response objects for the
getServletContext().getRequestDispatcher( itsPage ).include ( itsRequest, itsResponse ) method?
many thanks

[Jessica Sant]

sure -- what if you declare the exception in your web.xml like this:

<error-page>
  <exception-type>myPackage.myException</exception-type>
  <location>myError.jsp</location>
</error-page>

FYI you can do this same kinda thing for 404, 403 and other error codes by changing the <exception-type> element to <error-code>
[ May 28, 2003: Message edited by: Jessica Sant ]

[John Dunn]

Not quite what you asked for, but may be of use anyway...

  
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class SendError1 extends HttpServlet
{
    public void doGet (
        HttpServletRequest      request,
        HttpServletResponse     response
    ) throws ServletException, IOException {
         response.sendError (404, "This Server   intentionaly returns an error!");
        }
}