[mod_python] on OSX Leopard: "The process has forked..." crash

Lawrence Wang levity at gmail.com
Tue Oct 7 12:43:46 EDT 2008


Wow, that actually worked, even though it makes no sense to me. :) Can you
explain that?

On Mon, Oct 6, 2008 at 9:12 PM, Graham Dumpleton <graham.dumpleton at gmail.com
> wrote:

> Whoops, forgot to reply to list. Can OP please ensure they reply-all
> to this email and not first one.
>
> Are you running PHP on the same server? Have you disabled PHP and then
> stopped/started Apache to see if problem goes away?
>
> There should be no problem with Python/mod_python itself, but a
> problem like this in PHP can be inherited by the Python/mod_python
> instance running in the same process.
>
> In other words, not a Python/mod_python problem, instead it is being
> affected by PHP hosted by same Apache instance.
>
> Graham
>
> 2008/10/7 Lawrence Wang <levity at gmail.com>:
> > Hi! I compiled mod_python on OSX Leopard with a simple ./configure &&
> make
> > && sudo make install, and it works just fine for almost everything.
> However,
> > certain Python operations cause Apache to crash with many of these errors
> in
> > the log:
> >>
> >> The process has forked and you cannot use this CoreFoundation
> >> functionality safely. You MUST exec().
> >>
> >> Break on
> >>
> __THE_PROCESS_HAS_FORKED_AND_YOU_CANNOT_USE_THIS_COREFOUNDATION_FUNCTIONALITY___YOU_MUST_EXEC__()
> >> to debug.
> >
> > One example of code that causes this:
> >>
> >> import urllib2
> >>
> >> data = urllib2.urlopen('http://www.google.com').read()
> >
> > I'm pretty sure this is caused by mod_python and not, say, python itself,
> > because I don't get the same error when I run the same script as a CGI
> > handler in apache.
> > The hardware is a MacBook with Core 2 Duo (hence 64-bit). Some googling
> > revealed that the same error is caused by an old PHP library[1], and that
> is
> > solvable by changing its configuration and recompiling, so I'm hoping the
> > same is the case here.
> > Any help you can offer is greatly appreciated!
> > Lawrence Wang
> > [1]:
> http://iparrizar.mnstate.edu/~juan/urania/2008/09/05/forking-problems-with-freetype-solved/
> > _______________________________________________
> > Mod_python mailing list
> > Mod_python at modpython.org
> > http://mailman.modpython.org/mailman/listinfo/mod_python
> >
> >
>
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