On Jul 31, 9:27 am, Andrew <awmccl...@gmail.com> wrote:
> We get these incredibly bizarre errors every once and a while where a
> single character of python gets transformed. The code itself isn't
> changing, and the area where it pops up changes each time. Any ideas?
>
> MOD_PYTHON ERROR
>
> ProcessId: 28165
> Interpreter: '****'
>
> ServerName: '*****'
> DocumentRoot: '/var/www/'
>
> URI: '/'
> Location: '/'
> Directory: None
> Filename: '/var/www/'
> PathInfo: ''
>
> Phase: 'PythonHandler'
> Handler: 'django.core.handlers.modpython'
>
> Traceback (most recent call last):
>
> File "/usr/lib/python2.5/site-packages/mod_python/importer.py", line
> 1537, in HandlerDispatch
> default=default_handler, arg=req, silent=hlist.silent)
>
> File "/usr/lib/python2.5/site-packages/mod_python/importer.py", line
> 1229, in _process_target
> result = _execute_target(config, req, object, arg)
>
> File "/usr/lib/python2.5/site-packages/mod_python/importer.py", line
> 1128, in _execute_target
> result = object(arg)
>
> File "/usr/local/lib/python2.5/site-packages/django/core/handlers/
> modpython.py", line 222, in handler
> return ModPythonHandler()(req)
>
> File "/usr/local/lib/python2.5/site-packages/django/core/handlers/
> modpython.py", line 185, in __call__
> self.load_middleware()
>
> File "/usr/local/lib/python2.5/site-packages/django/core/handlers/
> base.py", line 38, in load_middleware
> mod = __import__(mw_module, {}, {}, [''])
>
> File "/usr/local/lib/python2.5/site-packages/panda/main/
> middleware.py", line 9, in <module>
> from panda.main.alert import get_alert_numnew
>
> File "/usr/local/lib/python2.5/site-packages/panda/main/alert.py",
> line 5, in <module>
> from django.contrib.auth.models import User
>
> File "/usr/local/lib/python2.5/site-packages/django/contrib/auth/
> models.py", line 5, in <module>
> from django.contrib.contenttypes.models import ContentType
>
> File "/usr/local/lib/python2.5/site-packages/django/contrib/
> contenttypes/models.py", line 64, in <module>
> class ContentType(models.Model):
>
> File "/usr/local/lib/python2.5/site-packages/django/db/models/
> base.py", line 80, in __new__
> new_class.add_to_class(obj_name, obj)
>
> NameError: global name 'obj_na}e' is not defined
Are you using worker MPM for Apache?
Are you using any third party extension modules which perhaps is not
multithread safe?
If using worker MPM would suggest you change to prefork MPM.
Alternatively, switch to mod_wsgi and configure daemon mode with a
daemon process group where each process is single threaded.
In other words, possibly a multithreading issue, or you just could be
getting hit by some of the still existing bugs in mod_python.
Graham
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