AttributeError: 'tuple' object has no attribute 'insert' #153

johnguam opened this Issue Sep 22, 2012 · 2 comments


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I just installed mongodb-engine and when I simply added a MongoDB database to my existing MySQL in my settings file, I get the following error when trying to address the site.

'default': {
'ENGINE': 'django.db.backends.mysql', # Add 'postgresql_psycopg2', 'mysql', 'sqlite3' or 'oracle'.
'NAME': '', # Or path to database file if using sqlite3.
'USER': '', # Not used with sqlite3.
'PASSWORD': '', # Not used with sqlite3.
'HOST': '<xx.xx.xx.xx>', # Set to empty string for localhost. Not used with sqlite3.
'PORT': '', # Set to empty string for default. Not used with sqlite3.
'mongotest': {
'ENGINE': 'django_mongodb_engine',
'NAME': 'mongotest',
'HOST': '',
'PORT': '27017'

File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/wsgiref/", line 85, in run
self.result = application(self.environ, self.start_response)
File "/Library/Python/2.7/site-packages/django/contrib/staticfiles/", line 67, in call
return self.application(environ, start_response)
File "/Library/Python/2.7/site-packages/django/core/handlers/", line 228, in call
File "/Library/Python/2.7/site-packages/django/dispatch/", line 172, in send
response = receiver(signal=self, sender=sender, **named)
File "/Library/Python/2.7/site-packages/django/db/", line 52, in reset_queries
for conn in connections.all():
File "/Library/Python/2.7/site-packages/django/db/", line 104, in all
return [self[alias] for alias in self]
File "/Library/Python/2.7/site-packages/django/db/", line 92, in getitem
backend = load_backend(db['ENGINE'])
File "/Library/Python/2.7/site-packages/django/db/", line 24, in load_backend
return import_module('.base', backend_name)
File "/Library/Python/2.7/site-packages/django/utils/", line 35, in import_module
File "build/bdist.macosx-10.7-intel/egg/django_mongodb_engine/", line 13, in
AttributeError: 'tuple' object has no attribute 'insert'

Ok, so I get this same error when I remove the MySQL database and set MongoDB as default. Instead, the error occurs when I attempt to syncdb. Did I install the django-mongodb-engine incorrectly? I'm running on Mac OS X Lion.

@georgedorn georgedorn closed this Sep 24, 2012

@iDevy iDevy referenced this issue in django-nonrel/djangotoolbox Oct 25, 2012

Closed the error #36

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