Django admin DoesNotExist at /admin/

Question

I have some problems with Django admin.

after syncdb, the result is:

  Creating tables ...
  Installing custom SQL ...
  Installing indexes ...
  No          


        

Answer 1

You can fix this error if you are using django.contrib.sites without removing it by changing SITE_ID = 1 value in settings.py file.

It is happen to me when I changed domain name on my server, I deleted old domain name from http://mynewdomainname.com/admin/sites/site/ manually, and the old domain record in database has id = 1, also I added new domain name mynewdomainname.com and it is id was id = 2, I just changed to SITE_ID = 2 and the error gone SITE_ID refers to current "pk" of active domain name you use as default. In code:

>>> from django.contrib.sites.models import Site
>>> # get_current() came from SiteManager class manager, 
>>> # see site-packages/django/contrib/sites/models.py
>>> current_site = Site.objects.get_current()
>>> print(current_site.pk)
2
>>> print(current_site.domain)
'http://mynewdomainname.com'

this happen after settings.py changed

SITE_ID = 2

Be careful about current domain id in django sites app.

Answer 2

just fixed the issue by an another way:

I use PostgreSQL and Django 1.45... as i removed the www.example.com Site and added a new www.xxx.com Site it was added as ID=2 'cause PostgreSQL doesn't go back in the ID numbers and the login and logout Django-Sites are somehow bound only to the ID=1 Site in your DB...

I went to my PostgreSQL DB and changed the ID of www.xxx.com to 1 and then I was able to see the login and logout Site again :)

btw. [yes, you just can remove the django.contrib.sites from your settings.py if you don't need it ^^ (but I haven't tried this one out in my case, with the ID number problem)]

hope it will work for further users! ;)

Answer 3

Check your Window task manager and make sure that there is 1 process name 'python.exe' is running. If there are many, delete all of them then restart the server. This solution works for me.