Note that when using request.getDispatcher() it's boiling down to the container
"crapping out" :P
Could happen e.g. if you try to dispatch to a non existing resource or stuff
like that.
If you wanna avoid this entirely then wrap everything in a try/catch in your
Stripes exception handler. Then you can log the error in the "catch" statement
and build the response you want, but as you'll call servlet API that throws
ServletException and IOException you'll have to deal with it yourself anyways,
and probably end up delegating to the container...
I've had a look and if you use AutoExceptionHandler you don't even have to
declare those exceptions... They will be automatically handled by the
container. I'm using this myself and never has this problem : Stripes never
failed to execute the resolutions returned from my exception handlers. Otoh, it
definitely can happen even without any biz logic in your handler (e.g. network
failure, OOM, etc.).
So I guess that the error JSP page in web.xml is the only way to really ensure
that no stack trace is ever shown.
Cheers
Remi
Le 2 avr. 2013 à 17:05, Chris Cheshire a écrit :
> So if I want to hide the stack trace output entirely, I still need a handler
> defined by <error-page><exception-type> ... in web.xml just in case the
> Stripes exception handling mechanism craps out then?
>
>
> On Tue, Apr 2, 2013 at 4:24 AM, Remi VANKEISBELCK <r...@rvkb.com> wrote:
> Hi Chris,
>
> It only declares IOException and ServletException because the handler itself
> may fail (e.g. call to request.getDispatcher()), or so that, in case you want
> to, you can re-throw an exception that matches the servlet spec, and then let
> the container handle it.
>
> HTH
>
> Remi
>
>
> Le 2 avr. 2013 à 01:20, Chris Cheshire a écrit :
>
>> I'm a little confused at the unhandled exception handling mechanism.
>>
>> The documentation gives an example on how to get implement a handler for it
>> (http://www.stripesframework.org/display/stripes/Exception+Handling) and I
>> am looking at the bottom example which gives access to the action bean that
>> triggered the exception.
>>
>> However, not only does the handle() method in the interface throw exceptions
>> (Servlet, IO), but the execute method on an ActionBean throws an Exception
>> as well. So what happens when the handler for otherwise unhandled exceptions
>> throws an unhandled exception?
>>
>> At this point are we back to the default tomcat stack trace page?
>>
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