1. Catch the exception when trying to open a non-existing forum and throw 404
2. Check where do we have a link to this site /forum/account/register/ and fix it.

Traceback (most recent call last):

 File "/home/filmaster/django-trunk/django/core/handlers/base.py", line 86, in get_response
   response = callback(request, *callback_args, **callback_kwargs)

 File "/home/filmaster/film20/film20/forum/views.py", line 76, in show_thread
   forum = Forum.objects.get(permalink=permalink, LANG=LANGUAGE_CODE, film_forum=None, person_forum=None)

 File "/home/filmaster/django-trunk/django/db/models/manager.py", line 93, in get
   return self.get_query_set().get(*args, **kwargs)

 File "/home/filmaster/django-trunk/django/db/models/query.py", line 303, in get
   % self.model._meta.object_name)

DoesNotExist: Forum matching query does not exist.


<ModPythonRequest
path:/forum/account/register/,
GET:<QueryDict: {}>,
POST:<QueryDict: {}>,
COOKIES:{},
META:{'AUTH_TYPE': None,
 'CONTENT_LENGTH': 0L,
 'CONTENT_TYPE': None,
 'GATEWAY_INTERFACE': 'CGI/1.1',
 'HTTP_ACCEPT': '*/*',
 'HTTP_COOKIE': '',
 'HTTP_HOST': 'filmaster.com',
 'HTTP_PROXY_CONNECTION': 'Keep-Alive',
 'HTTP_REFERER': 'http://filmaster.com/account/register/',
 'HTTP_USER_AGENT': 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; WOW64; SV1; .NET CLR 2.0.50727)',
 'PATH_INFO': u'/forum/account/register/',
 'PATH_TRANSLATED': None,
 'QUERY_STRING': None,
 'REMOTE_ADDR': '95.215.1.13',
 'REMOTE_HOST': None,
 'REMOTE_IDENT': None,
 'REMOTE_USER': None,
 'REQUEST_METHOD': 'GET',
 'SCRIPT_NAME': '',
 'SERVER_NAME': 'filmaster.com',
 'SERVER_PORT': 0,
 'SERVER_PROTOCOL': 'HTTP/1.0',
 'SERVER_SOFTWARE': 'mod_python'}>