You don't use request forwrd to get a
jsp error page. To have one, you put the directive
< %@ page errorPage="NameOfErrorPage.jsp" %>
on any page you want to protect with an error page. Then the error page is a standard jsp with the exception you include the directive
< %@ page isErrorPage="true" %>
at the top. Once you do this, you have another implicate object "exception" which is of type Throwable. Since Thorwable is the supercalss of all exceptions, it will handle anything thrown during run time. (compile exceptions are not caught)
The server implementation handles the method used to transfer control to your error page. It isn't specifyed how so, it's up to the implementers.
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I Hope This Helps
Carl Trusiak, SCJP2, SCWCD