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All,

I have a problem in starting my Python(Django) App using Apache and Mod_Wsgi

I am using Django 1.2.3 and Python 2.6.6 running on Apache 2.2.17 with

Mod_Wsgi 3.3

When I try to access the app from Web Browser, I am getting these
errors.

[Mon Nov 22 09:45:25 2010] [notice] Apache/2.2.17 (Unix) mod_wsgi/3.3
Python/2.6.6 configured -- resuming normal operations

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] mod_wsgi
(pid=1273874): Target WSGI script '/u01/home/apli/wm/app/gdd/pyserver/
apache/django.wsgi' cannot be loaded as Python module.

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] mod_wsgi

(pid=1273874): Exception occurred processing WSGI script '/u01/home/
apli/wm/app/gdd/pyserver/apache/django.wsgi'.

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] Traceback
(most recent call last):

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] � File "/u01/
home/apli/wm/app/gdd/pyserver/apache/django.wsgi", line 19, in
<module>

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] � � import

django.core.handlers.wsgi

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] � File "/usr/
local/lib/python2.6/site-packages/django/core/handlers/wsgi.py", line
1, in <module>

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] � � from

threading import Lock

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] � File "/usr/
local/lib/python2.6/threading.py", line 13, in <module>

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] � � from

functools import wraps

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] � File "/usr/
local/lib/python2.6/functools.py", line 10, in <module>

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] � � from

_functools import partial, reduce

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] ImportError:
rtld: 0712-001 Symbol PyArg_UnpackTuple was referenced

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] � � � from

module /usr/local/lib/python2.6/lib-dynload/_functools.so(), but a
runtime definition

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] � � � of the
symbol was not found.

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] rtld:

0712-001 Symbol PyCallable_Check was referenced

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] � � � from
module /usr/local/lib/python2.6/lib-dynload/_functools.so(), but a
runtime definition

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] � � � of the
symbol was not found.

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] rtld:
0712-001 Symbol PyDict_Copy was referenced

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] � � � from
module /usr/local/lib/python2.6/lib-dynload/_functools.so(), but a
runtime definition

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] � � � of the

symbol was not found.

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] rtld:
0712-001 Symbol PyDict_Merge was referenced

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] � � � from
module /usr/local/lib/python2.6/lib-dynload/_functools.so(), but a

runtime definition

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] � � � of the
symbol was not found.

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] rtld:
0712-001 Symbol PyDict_New was referenced

symbol was not found.

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] rtld:
0712-001 Symbol PyErr_Occurred was referenced

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] � � � from
module /usr/local/lib/python2.6/lib-dynload/_functools.so(), but a

symbol was not found.

[Mon Nov 22 09:45:43 2010] [error] [client 108.10.0.191] \t0509-021
Additional errors occurred but are not reported.

I assume that those missing runtime definitions are supposed to be in

the Python executable. Doing an nm on the first missing symbol reveals
that it does exist.

root [zibal]% nm �/usr/local/bin/python | grep -i PyArg_UnpackTuple
.PyArg_UnpackTuple � T � 268683204 � � � � 524

PyArg_UnpackTuple � �D � 537073500
PyArg_UnpackTuple � �d � 537073500 � � � � �12
PyArg_UnpackTuple:F-1 - � � � � 224

Please guide.

Regards,
Guddu