Patrick,

you cannot specialize a generic function on the run-time value of a variable.  In your method definition, you are trying to specialize the ACCEPTOR argument on (EQL *TEST-ACCEPTOR*)), but *TEST-ACCEPTOR* in that definition will be evaluated at compile-time, not at run-time.  Thus, you're probably specializing on NIL or some other random object.  Is there any reason why you want to specialize on a particular instance rather than the class of the acceptor (or T)?

-Hans


2014-05-07 23:15 GMT+02:00 Patrick May <patrick.may@mac.com>:
Dredging up an old question….

On this machine I don’t have the code I used the last time I asked this question.  I tried this:

(defmethod acceptor-status-message ((acceptor (eql *test-acceptor*))
                                    (http-status-code (eql 404)))
  (display-404-page))

but it doesn’t display my own 404 page.  What Hunchentoot concept am I missing?

Thanks,

Patrick


On May 31, 2012, at 3:24 PM, Hans Hübner <hans.huebner@gmail.com> wrote:

On Thu, May 31, 2012 at 8:12 PM, Patrick May <patrick.may@mac.com> wrote:
       I'm sure I'm overlooking something simple in the documentation, but I've Googled madly and not found the answer.  How do I specify my own 404 page in Hunchentoot?

This is actually documented, albeit maybe a bit hard to find:  http://weitz.de/hunchentoot/#acceptor-status-message  -  I'd gladly accept a documentation patch that puts some prose describing how to customize error pages into a separate chapter.

With no further customization, the error page templates are located in the www/errors/ subdirectory of the Hunchentoot source distribution.

Let me know if you have further questions.

-Hans

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