RE: [Springframework-developer] HandlerExceptionResolver not catching taglib exceptions?

[Boyce, K. G. <Kei...@bc...>]

The relavent code as seen below is where exception is thrown, exception
resolver handles error, render occurs but because it hasn't determined
the mappedHandler triggerAfterCompletion does nothing:
try {
....
				PortletSession session =3D
request.getPortletSession(false);
				if (session !=3D null) {
				    if
(TRUE.equals(request.getParameter(ACTION_EXCEPTION_PARAMETER))) {
						Exception ex =3D
(Exception)session.getAttribute(ACTION_EXCEPTION_SESSION_ATTRIBUTE);
						if (ex !=3D null) {
						    logger.error("render
phase found exception caught during action phase -- rethrowing it");
						    throw ex;
						}
				    } else {
=0D
session.removeAttribute(ACTION_EXCEPTION_SESSION_ATTRIBUTE);
				    }
				}
			=0D
				// Determine handler for the current
request.
				mappedHandler =3D
getHandler(processedRequest, false);
}
			catch (Exception ex) {
				Object handler =3D (mappedHandler !=3D null
? mappedHandler.getHandler() : null);
				mv =3D processHandlerException(request,
response, handler, ex);
			}

			// Did the handler return a view to render?
			if (mv !=3D null && !(mv.getView() =3D=3D null &&
mv.getViewName() =3D=3D null && mv.getModel() =3D=3D null)) {
				render(mv, processedRequest, response);
			}


...
	private void triggerAfterCompletion(
			HandlerExecutionChain mappedHandler, int
interceptorIndex,
			PortletRequest request, PortletResponse
response, Exception ex)
			throws Exception {

		// Apply afterCompletion methods of registered
interceptors.
		if (mappedHandler !=3D null) {
=0D

-----Original Message-----
From: spr...@li...
[mailto:spr...@li...] On Behalf
Of Seth Ladd
Sent: Tuesday, November 15, 2005 6:45 PM
To: spr...@li...
Subject: Re: [Springframework-developer] HandlerExceptionResolver not
catching taglib exceptions?

On 11/15/05, Boyce, Keith Garry <Kei...@bc...> wrote:
>
> But that's the whole deal about the exception resolver. We configure=0D
> the interceptors for a particular handler to handle particular use=0D
> cases and we need someway to to intercept just that.. Isn't there a=0D
> way we can implement the interceptor concept for exceptions.

Oops, I misread the description for afterCompletion:

         * Callback after completion of request processing, that is,
after rendering
	 * the view. Will be called on any outcome of handler execution,
thus allows
	 * for proper resource cleanup.

So afterCompletion is after the view rendering.  Why this isn't picking
up exceptions thrown by your taglibs, I'm not sure.

Seth


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