Here's an example stack trace:
Traceback (most recent call last):
File "/home/possiblecity/.virtualenvs/prod/lib/python2.
7/site-packages/django/core/handlers/base.py", line 103, in get_response
resolver_match = resolver.resolve(request.path_info)
File "/home/possiblecity/.virtualenvs/prod/lib/python2.
7/site-packages/django/core/urlresolvers.py", line 319, in resolve
for pattern in self.url_patterns:
File "/home/possiblecity/.virtualenvs/prod/lib/python2.
7/site-packages/django/core/urlresolvers.py", line 347, in url_patterns
patterns = getattr(self.urlconf_module, "urlpatterns",
self.urlconf_module)
File "/home/possiblecity/.virtualenvs/prod/lib/python2.
7/site-packages/django/core/urlresolvers.py", line 342, in urlconf_module
self._urlconf_module = import_module(self.urlconf_name)
File "/home/possiblecity/.virtualenvs/prod/lib/python2.
7/site-packages/django/utils/importlib.py", line 35, in import_module
__import__(name)
File "/home/possiblecity/possiblecity/production/
possiblecity/possiblecity/urls.py", line 11, in <module>
autocomplete_light.autodiscover()
File "/home/possiblecity/.virtualenvs/prod/lib/python2.
7/site-packages/autocomplete_light/registry.py", line 237, in autodiscover
_autodiscover(registry)
File "/home/possiblecity/.virtualenvs/prod/lib/python2.
7/site-packages/autocomplete_light/registry.py", line 190, in _autodiscover
import_module('%s.autocomplete_light_registry' % app)
File "/home/possiblecity/.virtualenvs/prod/lib/python2.
7/site-packages/django/utils/importlib.py", line 35, in import_module
__import__(name)
File "/home/possiblecity/possiblecity/production/
possiblecity/possiblecity/apps/lotxlot/autocomplete_light_registry.py",
line 4, in <module>
from .models import Lot
File "/home/possiblecity/possiblecity/production/
possiblecity/possiblecity/apps/lotxlot/models.py", line 17, in <module>
from apps.comments.models import Comment
File "/home/possiblecity/possiblecity/production/
possiblecity/possiblecity/apps/comments/models.py", line 10, in <module>
from actstream.models import followers
File "/home/possiblecity/lib/python2.7/actstream/models.py", line 22, in
<module>
User = get_user_model()
File "/home/possiblecity/.virtualenvs/prod/lib/python2.
7/site-packages/django/contrib/auth/__init__.py", line 127, in
get_user_model
user_model = get_model(app_label, model_name)
File "/home/possiblecity/.virtualenvs/prod/lib/python2.
7/site-packages/django/db/models/loading.py", line 230, in get_model
self._populate()
File "/home/possiblecity/.virtualenvs/prod/lib/python2.
7/site-packages/django/db/models/loading.py", line 75, in _populate
self.load_app(app_name)
File "/home/possiblecity/.virtualenvs/prod/lib/python2.
7/site-packages/django/db/models/loading.py", line 96, in load_app
models = import_module('.models', app_name)
File "/home/possiblecity/.virtualenvs/prod/lib/python2.
7/site-packages/django/utils/importlib.py", line 35, in import_module
__import__(name)
File "/home/possiblecity/possiblecity/production/
possiblecity/possiblecity/apps/core/models.py", line 4, in <module>
from actstream.models import Follow
ImportError: cannot import name Follow
<WSGIRequest
path:/lots/4778/,
GET:<QueryDict: {}>,
POST:<QueryDict: {}>,
COOKIES:{},
META:{'HTTP_ACCEPT': '*/*',
'HTTP_ACCEPT_ENCODING': 'gzip,deflate',
'HTTP_CONNECTION': 'close',
'HTTP_FORWARDED_REQUEST_URI': '/lots/4778/',
'HTTP_FROM': 'googlebot(at)googlebot.com',
'HTTP_HOST': 'possiblecity.co',
'HTTP_HTTPS': 'off',
'HTTP_HTTP_X_FORWARDED_PROTO': 'http',
'HTTP_USER_AGENT': 'Mozilla/5.0 (compatible; Googlebot/2.1; +
http://www.google.com/bot.html)',
'HTTP_X_FORWARDED_FOR': '66.249.73.20',
'HTTP_X_FORWARDED_HOST': 'possiblecity.co',
'HTTP_X_FORWARDED_PROTO': 'http',
'HTTP_X_FORWARDED_SERVER': 'possiblecity.co',
'HTTP_X_FORWARDED_SSL': 'off',
'PATH_INFO': u'/lots/4778/',
'QUERY_STRING': '',
'RAW_URI': '/lots/4778/',
'REMOTE_ADDR': '66.249.73.20',
'REMOTE_PORT': '80',
'REQUEST_METHOD': 'GET',
'SCRIPT_NAME': u'',
'SERVER_NAME': 'possiblecity.co',
'SERVER_PORT': '80',
'SERVER_PROTOCOL': 'HTTP/1.0',
'SERVER_SOFTWARE': 'gunicorn/17.5',
'gunicorn.socket': <socket._socketobject object at 0x2a1fd70>,
'wsgi.errors': <open file '<stderr>', mode 'w' at 0x7f0d45ef51e0>,
'wsgi.file_wrapper': <class gunicorn.http.wsgi.FileWrapper at 0x2552b48>,
'wsgi.input': <gunicorn.http.body.Body object at 0x3d7e9d0>,
'wsgi.multiprocess': False,
'wsgi.multithread': False,
'wsgi.run_once': False,
'wsgi.url_scheme': 'http',
'wsgi.version': (1, 0)}>
On Monday, July 12, 2010 2:10:49 PM UTC-4, Tor Nordam wrote:
>
> I'm currently writing a blog framework in django, and I have it up an
> running (on www.presskanne.com). During the last 20 hours or so, I
> have gotten about 60 emails with error 500 messages. They seem to
> originate from different pages all over the site, but they all have
> two things in common:
>
> The tracebacks all show that the problem is in importing one
> particular model
>
> The clients are all either googlebot or yahoo slurp
>
> Also, I can't reproduce any of the errors myself. When I visit the
> offending urls, everything either seems fine, or in the case of a
> nonexistent page, I get a nice 404 message.
>
> So my question is if there is anything in particular which might cause
> the page to crash when a searchbot tries to load it, but not do the
> same for a regular user.
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