On Sunday 22 October 2006 08:12, Graham Leggett wrote:
> Graham Leggett wrote:
> > Graham Leggett wrote:
> >> Some digging in the debugger shows that the value of dbd->prepared,
> >> the structure in which prepared statements are being kept, has the
> >> value 0x00000001.
> >
> > Digging some more, it seems that the value of ServerName is being used
> > as a key for the prepared statement lookups.
> >
> >
> > The problem comes about when ServerName isn't set. While stepping
> > through code, the key in one case was calculated as being "*", while in
> > another case the key was calculated to be the machine name from "uname
> > -a".
>
> When ap_dbd_prepare() is executed during startup, the global variable
> default_hostname resolves to "*". Later on during initialisation when
> dbd_post_config() is executed, the global variable default_hostname
> resolves to "<local-machine-name>".
>
> The fix seems to be to hard wire the key to some fixed value rather than
>   default_hostname, which in itself doesn't seem to be a fixed value.
>
> Regards,
> Graham
> --

What revision of mod_dbd are you using? 
Because, it seems that all these fixes are already done. Refer to the revision 
log:
http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/database/mod_dbd.c?r1=432560&view=log

( Relevant fixes: Revisions: 466641, 432560 )

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