Hallelujah! It works perfectly.
Graham, thank you very much indeed. There is no way I would have tracked
*that* down.
Once again, curses to SWIG.
Many thanks,
--dustin
On Tue, 11 Feb 2014, Graham Dumpleton wrote:
> Show the mod_wsgi configuration from the Apache configuration file. Are you
> using:
> WSGIApplicationGroup %{GLOBAL}
>
> See:
>
> http://code.google.com/p/modwsgi/wiki/ApplicationIssues#Python_Simplified_GIL_State_API
>
> Graham
>
> On 11/02/2014, at 9:45 AM, Dustin Lang <[email protected]> wrote:
>
> Hi,
>
> I am using Django 1.6 (was seeing the same behavior with 1.3 also),
> apache 2.2.22, mod_wsgi 3.3, on an
> ubuntu 12.04.4 box.
>
> I made some I-thought-small changes to my app, and all of a sudden the
> web server stalls processing the
> request. Easy, you say, I'm a bonehead with an infinite loop in his
> code. But then when I run it
> under django's "manage.py runserver", it works fine. I know that
> runserver does some magic behind the
> scenes, but I don't really see how it can be causing this sort of
> weirdness.
>
> I am having trouble getting any debugging output. I added a little
> middleware WSGI app:
>
> from django.core.wsgi import get_wsgi_application
> print >> sys.stderr, 'running django handler...'
> application = get_wsgi_application()
> print >> sys.stderr, 'django app:', application
>
> class Wrapper(object):
> def __init__(self, app):
> self.app = app
>
> def __call__(self, environ, start_response):
> print >> sys.stderr, 'Calling app()'
> try:
> r = self.app(environ, start_response)
> except:
> print >> sys.stderr, 'app() raised exception'
> import traceback
> print >> sys.stderr, traceback.format_exc()
> return None
> print >> sys.stderr, 'app() returned:', r
> return r
>
> and in the apache error logs I get:
>
> [Mon Feb 10 22:35:52 2014] [error] running django handler...
> [Mon Feb 10 22:35:52 2014] [error] django app:
> <django.core.handlers.wsgi.WSGIHandler object at
> 0x7f02881323d0>
> [Mon Feb 10 22:35:52 2014] [error] Calling app()
> [Mon Feb 10 22:35:52 2014] [error]
> /usr/local/lib/python2.7/dist-packages/numpy/oldnumeric/__init__.py:11:
> ModuleDeprecationWarning: The
> oldnumeric module will be dropped in Numpy 1.9
> [Mon Feb 10 22:35:52 2014] [error] warnings.warn(_msg,
> ModuleDeprecationWarning)
> [Mon Feb 10 22:35:52 2014] [error]
>
> and then nothing happens. A few minutes later, I get:
>
> [Mon Feb 10 17:40:21 2014] [info] mod_wsgi (pid=7424): Daemon process
> deadlock timer expired, stopping
> process 'supernova'.
> [Mon Feb 10 17:40:21 2014] [info] mod_wsgi (pid=7424): Shutdown
> requested 'supernova'.
> [Mon Feb 10 17:40:26 2014] [info] mod_wsgi (pid=7424): Aborting process
> 'supernova'.
> Error opening file for reading: Permission denied
> [Mon Feb 10 22:40:26 2014] [error] [client 128.122.53.236] Premature
> end of script headers: wsgi.py
> [Mon Feb 10 22:40:26 2014] [info] mod_wsgi (pid=7426): Destroying
> interpreters.
> [Mon Feb 10 22:40:26 2014] [info] mod_wsgi (pid=7426): Cleanup
> interpreter ''.
>
>
> I am using WSGIDaemonProcess. And for what it's worth, I don't see an
> apache or mod_wsgi process in
> 'top' while this is going on.
>
> I get the same behavior using the default embedded-mode mod_wsgi.
>
> Obviously I need to go see if I can figure out what exact change in my
> code triggered this, but does
> anyone have any extra hints on tracking down this kind of problem?
>
> Thanks,
> --dustin
>
>
> --
> You received this message because you are subscribed to the Google Groups
> "modwsgi" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to
> [email protected].
> To post to this group, send email to [email protected].
> Visit this group at http://groups.google.com/group/modwsgi.
> For more options, visit https://groups.google.com/groups/opt_out.
>
>
> --
> You received this message because you are subscribed to the Google Groups
> "modwsgi" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to
> [email protected].
> To post to this group, send email to [email protected].
> Visit this group at http://groups.google.com/group/modwsgi.
> For more options, visit https://groups.google.com/groups/opt_out.
>
>
--
You received this message because you are subscribed to the Google Groups
"modwsgi" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at http://groups.google.com/group/modwsgi.
For more options, visit https://groups.google.com/groups/opt_out.
