Re: "Data Missing"

[Peter Murray <PMurray@xxxxxxxxxx>]

--On Monday, August 7, 2000 10:23 AM -0700 Virginia Scheschy 
<scheschy@xxxxxxxxxx> wrote:
> There is a problem with using the back button which seems to be unique to
> Netscape.  When a user is viewing a record retrieved by searching the Word
> index, and then uses the back button to get back to the browse screen, the
> following message displays.
>
> "Data Missing
> This document resulted from a POST operation and has expired from the
> cache. If you wish you can repost the form data to recreate the document
> by pressing the reload button."

I ran into this recently myself with our new WebPAC interface.  Our front 
page (<http://uconl.law.uconn.edu/>) has an all-in-one search box similar 
to Innovative's sample site but without the scoping.  We found that if a 
user submits a search into that box, but then tries to back up to the main 
menu (or, ironically, print the search results page) with Navigator, the 
browser displayed that error.

The problem I believe is in the encoding of the form.  Innovative was using 
a 'METHOD="POST"' attribute to the <FORM> tag.  I changed it to 
'METHOD="GET"' (so that the form variables are part of the URL submitted to 
the WebPAC) and the problem went away.


Peter
--
Peter Murray, Computer Services Librarian              W: 860-570-5233
University of Connecticut Law School             Hartford, Connecticut

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