How to properly setup custom handler404 in django?
As we discussed, your setup is correct, but in settings.py you should make DEBUG=False. It's more of a production feature and won't work in development environment(unless you have DEBUG=False in dev machine of course).
Debug should be False and add to view *args and **kwargs. Add to urls.py handler404 = 'view_404'
def view_404(request, *args, **kwargs):return redirect('https://your-site/404')If I didn't add args and kwargs server get 500.
All the other answers were not up to date. Here's what worked for me in Django 3.1:
urls.py
from django.conf.urls import handler404, handler500, handler403, handler400from your_app_name import viewshandler404 = views.error_404handler500 = views.error_500views.py
def error_404(request, exception): context = {} return render(request,'admin/404.html', context)def error_500(request): context = {} return render(request,'admin/500.html', context)Note, you will have to edit this code to reflect your app name in the import statement in urls.py and the path to your html templates in views.py.