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From Rob Hartill <>
Subject WWW Form Bug Report: "can't retrieve real document if error doc is newer" on BSDI (fwd)
Date Fri, 22 Sep 1995 17:11:19 GMT

I think the following can be fixed by discarding IMS when redirecting
to an ErrorDocument...

Ack sent to submitter.

Forwarded message:
> From  Fri Sep 22 08:53:51 1995
> Message-Id: <>
> From:
> To:
> Date: Fri Sep 22  8:53:44 1995
> Subject: WWW Form Bug Report: "can't retrieve real document if error doc is newer" on
> Submitter:
> Operating system: BSDI, version: 
> Extra Modules used: mSQL
> URL exhibiting problem:
> Symptoms:
> --
> Given:  ErrorDocument 403 /members-only.html  if the document members-only.html is newer
than the document which caused the error, you can no longer retrieve the original document
even when the error is corrected, if your browser uses the "if-modified-since" request, eg,
Netscape.  To see the error in action, visit the URL below while running Netscape Navigator.
 When it asks for user ID, just hit "cancel" and you will be presented with the members-only.html
document.  However, the client still thinks this is the original document name.  Now, open
that URL again.  You will not be asked for an ID at all but dropped right into the error document.
 I believe that any error document shipped out should either have a very short Expires header,
or should have a no-cache pragma so that the browsers don't cache the files.  To see the actual
file, use the User ID "guest" and the password "guest". Visit the directory URL (without the
"events.html" file name to see the whole directory. !
>  You will then be asked for the user ID and password.  From there, scoll down and click
on "upcoming events".  Even though you are authenticated now, you will not get the real document,
but the error document.  There is no way short of purging your entire cache to get at the
real document.  
> --
> Backtrace:
> --
> --

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