Hi Ram, https://stackoverflow.com/questions/29760817/how-can-i-resolve-django-content-type-already-exists
this might solve this issue. Naveen On Saturday, 30 November 2019 22:34:04 UTC+5:30, Ram wrote: > > Hi, > > I'm blocked with this issue in my newly hosting site. Here is my scenario. > > 1. I've working site with MySQL database in our development localhost. > 2. I created new hosting server in Digital Ocean's Ubuntu 18.04 > droplet with Postgres db. > 3. I tested the server with empty database and empty Django site when > I build this hosting server. > 4. I manually migrated MySQL database to Postgres using pgAdmin tool > and ran 'loaddata'command in virtualenv to load the data to Postgress. > 5. > > Now when I ran the following commands I see the same issue as reported > here. > 6. >> >> (vkenv) shami@ubuntu-wed-01:~$ ~/vkproject/manage.py makemigrations >> No changes detected >> (vkenv) shami@ubuntu-wed-01~$ ~/vkproject/manage.py migrate >> Operations to perform: >> Apply all migrations: admin, auth, contenttypes, pages, sessions >> Running migrations: >> Applying contenttypes.0001_initial...Traceback (most recent call >> last): >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/db/backends/utils.py", >> >> line 82, in _execute >> return self.cursor.execute(sql) >> psycopg2.errors.DuplicateTable: relation "django_content_type" >> already exists >> >> The above exception was the direct cause of the following exception: >> >> Traceback (most recent call last): >> File "/home/shami/vkproject/manage.py", line 21, in <module> >> main() >> File "/home/shami/vkproject/manage.py", line 17, in main >> execute_from_command_line(sys.argv) >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/core/management/__init__.py", >> >> line 381, in execute_from_command_line >> utility.execute() >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/core/management/__init__.py", >> >> line 375, in execute >> self.fetch_command(subcommand).run_from_argv(self.argv) >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/core/management/base.py", >> >> line 323, in run_from_argv >> self.execute(*args, **cmd_options) >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/core/management/base.py", >> >> line 364, in execute >> output = self.handle(*args, **options) >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/core/management/base.py", >> >> line 83, in wrapped >> res = handle_func(*args, **kwargs) >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/core/management/commands/migrate.py", >> >> line 234, in handle >> fake_initial=fake_initial, >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/db/migrations/executor.py", >> >> line 117, in migrate >> state = self._migrate_all_forwards(state, plan, full_plan, >> fake=fake, fake_initial=fake_initial) >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/db/migrations/executor.py", >> >> line 147, in _migrate_all_forwards >> state = self.apply_migration(state, migration, fake=fake, >> fake_initial=fake_initial) >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/db/migrations/executor.py", >> >> line 245, in apply_migration >> state = migration.apply(state, schema_editor) >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/db/migrations/migration.py", >> >> line 124, in apply >> operation.database_forwards(self.app_label, schema_editor, >> old_state, project_state) >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/db/migrations/operations/models.py", >> >> line 92, in database_forwards >> schema_editor.create_model(model) >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/db/backends/base/schema.py", >> >> line 307, in create_model >> self.execute(sql, params or None) >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/db/backends/base/schema.py", >> >> line 137, in execute >> cursor.execute(sql, params) >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/db/backends/utils.py", >> >> line 99, in execute >> return super().execute(sql, params) >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/db/backends/utils.py", >> >> line 67, in execute >> return self._execute_with_wrappers(sql, params, many=False, >> executor=self._execute) >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/db/backends/utils.py", >> >> line 76, in _execute_with_wrappers >> return executor(sql, params, many, context) >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/db/backends/utils.py", >> >> line 84, in _execute >> return self.cursor.execute(sql, params) >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/db/utils.py", >> >> line 89, in __exit__ >> raise dj_exc_value.with_traceback(traceback) from exc_value >> File >> >> "/home/shami/vkproject/vkenv/lib/python3.6/site-packages/django/db/backends/utils.py", >> >> line 82, in _execute >> return self.cursor.execute(sql) >> django.db.utils.ProgrammingError: relation "django_content_type" >> already exists >> > > 7. >> >> (vkenv) shami@ubuntu-wed-01:~$ ~/vkproject/manage.py showmigrations >> admin >> [ ] 0001_initial >> [ ] 0002_logentry_remove_auto_add >> [ ] 0003_logentry_add_action_flag_choices >> auth >> [ ] 0001_initial >> [ ] 0002_alter_permission_name_max_length >> [ ] 0003_alter_user_email_max_length >> [ ] 0004_alter_user_username_opts >> [ ] 0005_alter_user_last_login_null >> [ ] 0006_require_contenttypes_0002 >> [ ] 0007_alter_validators_add_error_messages >> [ ] 0008_alter_user_username_max_length >> [ ] 0009_alter_user_last_name_max_length >> [ ] 0010_alter_group_name_max_length >> [ ] 0011_update_proxy_permissions >> contenttypes >> [ ] 0001_initial >> [ ] 0002_remove_content_type_name >> pages >> [ ] 0001_initial >> [ ] 0002_auto_20190504_1638 >> [ ] 0003_auto_20190504_1645 >> [ ] 0004_auto_20190504_1651 >> [ ] 0005_auto_20190506_1451 >> [ ] 0006_auto_20190506_1558 >> [ ] 0007_auto_20190506_1803 >> [ ] 0008_auto_20190508_1455 >> [ ] 0009_auto_20190508_1554 >> [ ] 0010_rim_banners >> [ ] 0011_rim_banners_link_id >> [ ] 0012_auto_20190520_1137 >> [ ] 0013_auto_20190520_1144 >> [ ] 0014_rim_transactions_cj >> [ ] 0015_auto_20190617_1756 >> [ ] 0016_auto_20190619_1433 >> [ ] 0017_rim_cj_feed >> sessions >> [ ] 0001_initial >> (vkenv) shami@ubuntu-wed-01:~$ >> (vkenv) shami@ubuntu-wed-01:~$ ~/vkproject/manage.py --version >> 2.2.7 >> >> > I appreciate if someone can provide a clue here. > > Thanks in advance, > > ~Ram > -- You received this message because you are subscribed to the Google Groups "Django users" group. 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