According to Peter Neergaard:
> I recently installed Mandrake 7.2 where htdig version 3.1.5 is
> installed as part of the base installation to support KDE. The
> Mandrake RPM installs a cron script that runs rundig daily. For a
> good while that produced the following error message:
>
> DB2 problem...: missing or empty key value specified
>
> I do not use htdig for indexing a web server, but as far as I can tell
> it is needed by kde for running.
>
> Searching on your web page, the best clue to the error message I could
> find where the thread ``DB2 problem ...: missing or empty key value
> specified'' (http://www.htdig.org/mail/1999/08/0244.html). Reading
> through the thread whether you have solved the problem.
>
> In my case, I eventually worked around the error by installing a small
> non-empty web page (concretely, it contains the three words
> ``Intentionally empty page.''). In my case, it thus seems that the
> message was generated by htmerge having to work with an empty word
> list (as suggested by the thread message
> about:http://www.htdig.org/mail/1999/08/0254.html).
>
> If this is a general problem, it would seem that either htmerge or
> rundig should be changed to handle the case of an empty word list. Or
> a least, have htmerge produce a less cryptic error message.
>
> I hope this can be to some help.
Yes, thanks for the review and tips. It actually took a while before we
got to the bottom of this problem, so now that we know what causes it, it
may be easier to check for. At least we can give a reasonable answer when
it comes up, which isn't that frequently. If I'm not mistaken, it's not
just an empty wordlist or database that causes this, but rather a database
that becomes empty when its last record is deleted. If someone can suggest
a snippet of code that would test for this condition before it causes an
error, or a way of catching the error, then I can find the appropriate
places in htdig and/or htmerge to insert it.
> Best regards
>
> Peter M�ller Neergaard
> --
> http://cs-people.bu.edu/turtle/contact.html
> ``Those who forget the past are condemned to repeat it''---Salman Rushdie
Actually, it was George Santayana who said: "Those who cannot remember the
past are condemned to repeat it."
--
Gilles R. Detillieux E-mail: <[EMAIL PROTECTED]>
Spinal Cord Research Centre WWW: http://www.scrc.umanitoba.ca/~grdetil
Dept. Physiology, U. of Manitoba Phone: (204)789-3766
Winnipeg, MB R3E 3J7 (Canada) Fax: (204)789-3930
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