On Wednesday, March 21, 2012 7:18:16 AM UTC, Jani Tiainen wrote:
>
> 20.3.2012 16:45, Another Django Newbie kirjoitti:
> >
> >
> > On Tuesday, March 20, 2012 10:28:49 AM UTC, Another Django Newbie wrote:
> >
> >
> >
> > On Tuesday, March 20, 2012 10:01:36 AM UTC, Tom Evans wrote:
> >
> > On Mon, Mar 19, 2012 at 5:24 PM, Jani Tiainen <xxxxxxxxxxxxxx>
> > wrote:
> > > Hi,
> > >
> > > Since we use same setup except one part: we use mod_wsgi
> > instead of
> > > mod_fcgi.
> > >
> > > (Since wsgi is considered to be defacto protocol). Could you
> > try to use it?
> > >
> >
> > WSGI is the de-facto for hosting python in web servers. If you
> > aren't
> > running just python, it's nice to use the same hosting mechanism
> for
> > all your apps, and fastcgi is a supported mechanism.
> >
> > OP: You mention using mod_fcgid, but you do not give us any idea
> of
> > how you are using mod_fcgid. Configuration and error logs
> > please. FYI,
> > we run django quite happily under mod_fastcgi.
> >
> > Cheers
> >
> > Tom
> >
> >
> >
> > Hi Tom, Jani,
> >
> > Currently struggling to compile mod_wsgi, or more specifically a
> > shared library version of python - something to do with mismatched
> > 32/64 bit libraries I think.
> >
> > Here's an extract from httpd.conf.
> >
> > RewriteEngine On
> > RewriteRule ^.*/cfServer/(.*)$ /cgi-bin/django.cgi/$1 [PT]
> > <Directory "/usr/local/apache2/cgi-bin">
> > Options ExecCGI
> > AddHandler fcgid-script .cgi
> > # AddHandler cgi-script .cgi
> > Require all granted
> > </Directory>
> >
> > and the relevant django.cgi
> >
> > #!/usr/local/bin/python
> > from FcgiWsgiAdapter import list_environment, serve_wsgi
> >
> > import os, sys
> > os.environ['DJANGO_SETTINGS_MODULE'] = 'cfServer.settings'
> > os.environ['ORACLE_HOME'] = '/oracle/11gStdEd'
> >
> > from django.core.handlers.wsgi import WSGIHandler
> >
> > # use this to test that fastcgi works and to inspect the environment
> > # serve_wsgi(list_environment)
> > # use this to serve django
> > serve_wsgi(WSGIHandler())
> >
> > The "FcgiWsgiAdapter" referred to came from djangosnippets.org
> > <http://djangosnippets.org/snippets/1307/>.
> >
> > As to error logs, as I mentioned in the original post I don't see
> > anything added to any logs when this happens and there is only a
> > warning about the ssl library when apache is restarted.
> >
> > Regards, ADN
> >
> >
> >
> > *So I swapped to using WSGI with this apache config ....*
> >
> > WSGIScriptAlias / /home/user/python/djcode/cfServer/apache/django.wsgi
> > WSGIDaemonProcess site-1 threads=30
> > WSGIProcessGroup site-1
> >
> > <Directory "/home/user/python/djcode/cfServer/apache">
> > AllowOverride None
> > Options None
> > Require all granted
> > </Directory>
> >
> > and this django.wsgi
> >
> > import os, sys
> > sys.path.append('/home/user/python/djcode')
> > os.environ['DJANGO_SETTINGS_MODULE'] = 'cfServer.settings'
> > os.environ['ORACLE_HOME'] = '/oracle/11gStdEd'
> > os.environ['PYTHON_EGG_CACHE'] = '/var/www/.python-eggs'
> >
> > import django.core.handlers.wsgi
> >
> > application = django.core.handlers.wsgi.WSGIHandler()
> >
> > and I get segmentation faults (debug level tracing from apache error log)
> >
> > [Tue Mar 20 14:16:28.126341 2012] [core:notice] [pid 17487:tid
> > 47401308446624] AH00051: child pid 17490 exit signal Segmentation fault
> > (11), possible coredump in /tmp/apache2-gdb-dump
> > [Tue Mar 20 14:16:28.126385 2012] [:info] [pid 17487:tid 47401308446624]
> > mod_wsgi (pid=17490): Process 'site-2' has died, deregister and restart
> it.
> > [Tue Mar 20 14:16:28.126394 2012] [:info] [pid 17487:tid 47401308446624]
> > mod_wsgi (pid=17490): Process 'site-2' has been deregistered and will no
> > longer be monitored.
> > [Tue Mar 20 14:16:28.126826 2012] [:info] [pid 17846:tid 47401308446624]
> > mod_wsgi (pid=17846): Starting process 'site-2' with uid=48, gid=48 and
> > threads=25.
> > [Tue Mar 20 14:16:28.127268 2012] [:info] [pid 17846:tid 47401308446624]
> > mod_wsgi (pid=17846): Initializing Python.
> >
> > Back trace on core file ...
> >
> > Core was generated by `/usr/local/apache2/bin/httpd -k start'.
> > Program terminated with signal 11, Segmentation fault.
> > #0 0x00000036422cb2e6 in poll () from /lib64/libc.so.6
> > (gdb) bt
> > #0 0x00000036422cb2e6 in poll () from /lib64/libc.so.6
> > #1 0x00002b1c7a05dd79 in apr_poll (aprset=0x7fff13f01e40, num=1,
> > nsds=0x7fff13f01e94, timeout=0) at poll/unix/poll.c:120
> > #2 0x00002b1c7d5166d3 in wsgi_daemon_main (p=0x1257a138,
> daemon=0x12696218)
> > at mod_wsgi.c:11330
> > #3 0x00002b1c7d51851f in wsgi_start_process (p=0x1257a138,
> > daemon=0x12696218)
> > at mod_wsgi.c:11969
> > #4 0x00002b1c7d518f50 in wsgi_start_daemons (pconf=0x1257a138,
> > ptemp=<value optimized out>, plog=<value optimized out>,
> > s=<value optimized out>) at mod_wsgi.c:12181
> > #5 wsgi_hook_init (pconf=0x1257a138, ptemp=<value optimized out>,
> > plog=<value optimized out>, s=<value optimized out>) at mod_wsgi.c:13755
> > #6 0x0000000000444c2c in ap_run_post_config (pconf=0x1257a138,
> > plog=0x125df538, ptemp=0x125a5348, s=0x125a3508) at config.c:101
> > #7 0x0000000000428734 in main (argc=3, argv=0x7fff13f02498) at main.c:765
> >
> >
> >
> > Using WSGI briefly solved the original problem, in that I could see the
> > complete admin page that was previously truncated but now nothing works
> > - I get internal server error for all pages on the server.
> >
>
> https://docs.djangoproject.com/en/1.3/ref/databases/#threaded-option
>
> Maybe you need to do that....
>
> --
>
> Jani Tiainen
>
Hi Jani,
Yes I spotted that yesterday, although it's not to clear where it should be
placed. Does it go inside the default{} or inside the DATABASES{}?
Thanks, ADN
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