Are you moving the content of your old database to a new one ?
Sorry, if I answer the obvious, violates foreign key constraint"
auth permission has a generic relation were a content_type_id = 27
cant be found on content_type table.
let me know if its not enought.
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Cadu Leite
G+: google.com/+CarlosLeite
twitter: @cadu_leite
site: http://people.python.org.br/
Cadu Leite
G+: google.com/+CarlosLeite
twitter: @cadu_leite
site: http://people.python.org.br/
On Wed, Feb 10, 2016 at 7:07 PM, WST <weishengtong@gmail.com> wrote:
--Hi All,I am new to Django and am taking over a project which uses a Django server. Unfortunately, the host machine used in the previous development cycle went missing and I had to set up a new server. I am now having problems loading data onto the database. I have a JSON file from dumpdata on the now missing server. I am facing the error seen below:
Traceback (most recent call last):
File "/home/wst12/Documents/ipad-app-server/manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 353, in execute_from_command_line
utility.execute()
File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 345, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/usr/local/lib/python2.7/dist-packages/django/core/management/base.py", line 348, in run_from_argv
self.execute(*args, **cmd_options)
File "/usr/local/lib/python2.7/dist-packages/django/core/management/base.py", line 399, in execute
output = self.handle(*args, **options)
File "/usr/local/lib/python2.7/dist-packages/django/core/management/commands/loaddata.py", line 60, in handle
self.loaddata(fixture_labels)
File "/usr/local/lib/python2.7/dist-packages/django/core/management/commands/loaddata.py", line 106, in loaddata
connection.check_constraints(table_names=table_names)
File "/usr/local/lib/python2.7/dist-packages/django/db/backends/postgresql/base.py", line 223, in check_constraints
self.cursor().execute('SET CONSTRAINTS ALL IMMEDIATE')
File "/usr/local/lib/python2.7/dist-packages/django/db/backends/utils.py", line 79, in execute
return super(CursorDebugWrapper, self).execute(sql, params)
File "/usr/local/lib/python2.7/dist-packages/django/db/backends/utils.py", line 64, in execute
return self.cursor.execute(sql, params)
File "/usr/local/lib/python2.7/dist-packages/django/db/utils.py", line 95, in __exit__
six.reraise(dj_exc_type, dj_exc_value, traceback)
File "/usr/local/lib/python2.7/dist-packages/django/db/backends/utils.py", line 62, in execute
return self.cursor.execute(sql)
django.db.utils.IntegrityError: Problem installing fixtures: insert or update on table "auth_permission" violates foreign key constraint "auth_permiss_content_type_id_2f476e4b_fk_django_content_type_id"
DETAIL: Key (content_type_id)=(27) is not present in table "django_content_type".At first, I was led to believe, after some Googling, that it was cache related. However, clearing content type cache did not solve this problem. I would be grateful if someone could assist me with this. Thank you!
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