t at funkreich
Dec 22, 2005, 7:28 AM
Post #3 of 4
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Zitat von Perrin Harkins <perrin [at] elem>:
> On Thu, 2005-12-22 at 16:00 +0100, Tobias wrote:
> > As soon as more than one parallel request is made I immediately get
> > unexplainable DBI errors like "fetch() without execute()", "DBD driver
> > has not implemented the AutoCommit attribute" or "Commands out of sync;
> > you can't run this command now". These messages do not appear when running
> > httpd in single-server mode (-X).
>
> Most likely you are making a DBI connection during startup, putting it
> in a global, and using it from multiple child processes. If you have
> this system running safely on another machine, figuring out what code
> you changed is a good place to start. Apache::DBI tries to prevent
> this, but it can't stop you from putting a $dbh into a global yourself.
I'm establishing a database connection in my mod_perl handler sub routine
making it globally available using Mason's allow_globals feature. That
always worked for me (until now :))
The weird thing is that I just rsync'd the code over from another debian
system on which the application runs just fine. The only difference
(as far as I can see) to the failing system is a debian Perl 5.8.4 (with
threads) instead of a self-compiled threadless Perl 5.8.7. Any other ideas?
Thanks again for your help!
Toby
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