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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