.

rad/urls.py

@@ -30,6 +30,10 @@ from longs import views as long_views
 
 from rest_framework import routers
 
+from django.conf.urls import (
+    handler400, handler403, handler404, handler500
+)
+
 router = routers.DefaultRouter()
 router.register(r'rapids/exams', rapid_views.ExamViewSet, basename="rapid-exam")
 router.register(r'anatomy/exams', anatomy_views.ExamViewSet, basename="anatomy-exams")
@@ -73,6 +77,11 @@ urlpatterns = [
     path('tinymce/', include('tinymce.urls')),
 ]
 
+#handler400 = 'my_app.views.bad_request'
+#handler403 = 'my_app.views.permission_denied'
+handler404 = 'views.page_not_found'
+#handler500 = 'my_app.views.server_error'
+
 urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
 
 if settings.DEBUG:

rad/views.py

@@ -52,6 +52,11 @@ from generic.models import QuestionNote
 
 import json
 
+from django.shortcuts import (
+render_to_response
+)
+from django.template import RequestContext
+
 def feedback_checker(user):
     return user.groups.filter(name="feedback_checker").exists()
 
@@ -328,3 +333,14 @@ def view_feedback(request):
             "notes": feedback_notes,
         },
     )
+
+# HTTP Error 400
+def page_not_found(request):
+    response = render_to_response(
+        '404.html',
+        context_instance=RequestContext(request)
+        )
+
+    response.status_code = 404
+
+    return response

templates/404.html

@@ -0,0 +1,6 @@
+{% extends 'base.html' %}
+
+{% block content %}
+<h2>404 error</h2>
+Page not found....
+{% endblock %}