> On 18 Oct 2016, at 5:04 AM, Lennon McCartney <[email protected]>
> wrote:
>
> I have since figured out where the issue lies. There appears to be some sort
> of conflict with the scipy.special module and mod_wsgi.
>
> On Monday, October 17, 2016 at 12:18:10 PM UTC-4, Lennon McCartney wrote:
> Hello,
>
> I've written a python script that I'm attempting to import into Django. It
> works perfectly on a Windows machine and from the Django shell on the server,
> however when mod_wsgi gets involved I begin to get errors.
>
> The error received is:
> Daemon process deadlock timer expired, stopping process 'app'.
> mod_wsgi: Shutdown requested 'app'.
> Exiting thread in daemon process 'app'.
> Aborting process 'app'.
> Truncated or oversized response headers received from daemon process 'app'
> : 'app/directory/wsgi.py'
>
> This occurs even on the homepage where the above mentioned custom script
> isn't even accessed.
>
> I've set my Apache log level to debug and it hasn't surfaced any other leads.
> I've also attempted multiple versions of mod_wsgi including 4.5.7, 4.5.6, and
> 4.2.1.
>
The SciPy modules will not work in Python sub interpreters. You need to force
the use of the main interpreter context. See:
http://modwsgi.readthedocs.io/en/develop/user-guides/application-issues.html#python-simplified-gil-state-api
<http://modwsgi.readthedocs.io/en/develop/user-guides/application-issues.html#python-simplified-gil-state-api>
Set the WSGIApplicationGroup directive to %{GLOBAL} as explained and see if
that helps.
Graham
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