https://docs.djangoproject.com/ja/2.1/intro/tutorial02/ にてチュートリアルを進めていたのですが
投稿が保存されない状態になりました。
調べるとDjangoのバグであり、2.1.5以降に変えれば解決するということだったのですが、今度は別のエラーが発生し解決できない状態です
これもバージョンの問題でしょうか?
発生しているエラー
OperationalError at /admin/polls/question/add/
no such table: main.auth_user__old
Request Method: POST
Request URL: http://127.0.0.1:8000/admin/polls/question/add/
Django Version: 2.1.7
Exception Type: OperationalError
Exception Value:
no such table: main.auth_user__old
Exception Location: /home/username/anaconda3/lib/python3.7/site-packages/django/db/backends/sqlite3/base.py in execute, line 298
Python Executable: /home/username/anaconda3/bin/python
Python Version: 3.7.2
Python Path:
['/home/username/python_appli/mysite',
'/home/username/anaconda3/lib/python37.zip',
'/home/username/anaconda3/lib/python3.7',
'/home/username/anaconda3/lib/python3.7/lib-dynload',
'/home/username/.local/lib/python3.7/site-packages',
'/home/username/anaconda3/lib/python3.7/site-packages']
Server time: 水, 13 3月 2019 23:14:45 +0900
Request Method: POST
Request URL: http://127.0.0.1:8000/admin/polls/question/add/
Django Version: 2.1.7
Python Version: 3.7.2
Installed Applications:
['polls.apps.PollsConfig',
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles']
Installed Middleware:
['django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware']
Traceback:
File "/home/username/anaconda3/lib/python3.7/site-packages/django/db/backends/utils.py" in _execute
85. return self.cursor.execute(sql, params)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/db/backends/sqlite3/base.py" in execute
298. return Database.Cursor.execute(self, query, params)
The above exception (no such table: main.auth_user__old) was the direct cause of the following exception:
File "/home/username/anaconda3/lib/python3.7/site-packages/django/core/handlers/exception.py" in inner
34. response = get_response(request)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/core/handlers/base.py" in _get_response
126. response = self.process_exception_by_middleware(e, request)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/core/handlers/base.py" in _get_response
124. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/contrib/admin/options.py" in wrapper
604. return self.admin_site.admin_view(view)(*args, **kwargs)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/utils/decorators.py" in _wrapped_view
142. response = view_func(request, *args, **kwargs)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/views/decorators/cache.py" in _wrapped_view_func
44. response = view_func(request, *args, **kwargs)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/contrib/admin/sites.py" in inner
223. return view(request, *args, **kwargs)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/contrib/admin/options.py" in add_view
1637. return self.changeform_view(request, None, form_url, extra_context)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/utils/decorators.py" in _wrapper
45. return bound_method(*args, **kwargs)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/utils/decorators.py" in _wrapped_view
142. response = view_func(request, *args, **kwargs)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/contrib/admin/options.py" in changeform_view
1525. return self._changeform_view(request, object_id, form_url, extra_context)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/contrib/admin/options.py" in _changeform_view
1568. self.log_addition(request, new_object, change_message)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/contrib/admin/options.py" in log_addition
810. change_message=message,
File "/home/username/anaconda3/lib/python3.7/site-packages/django/contrib/admin/models.py" in log_action
35. change_message=change_message,
File "/home/username/anaconda3/lib/python3.7/site-packages/django/db/models/manager.py" in manager_method
82. return getattr(self.get_queryset(), name)(*args, **kwargs)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/db/models/query.py" in create
413. obj.save(force_insert=True, using=self.db)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/db/models/base.py" in save
718. force_update=force_update, update_fields=update_fields)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/db/models/base.py" in save_base
748. updated = self._save_table(raw, cls, force_insert, force_update, using, update_fields)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/db/models/base.py" in _save_table
831. result = self._do_insert(cls._base_manager, using, fields, update_pk, raw)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/db/models/base.py" in _do_insert
869. using=using, raw=raw)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/db/models/manager.py" in manager_method
82. return getattr(self.get_queryset(), name)(*args, **kwargs)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/db/models/query.py" in _insert
1136. return query.get_compiler(using=using).execute_sql(return_id)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/db/models/sql/compiler.py" in execute_sql
1289. cursor.execute(sql, params)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/db/backends/utils.py" in execute
100. return super().execute(sql, params)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/db/backends/utils.py" in execute
68. return self._execute_with_wrappers(sql, params, many=False, executor=self._execute)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/db/backends/utils.py" in _execute_with_wrappers
77. return executor(sql, params, many, context)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/db/backends/utils.py" in _execute
85. return self.cursor.execute(sql, params)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/db/utils.py" in exit
89. raise dj_exc_value.with_traceback(traceback) from exc_value
File "/home/username/anaconda3/lib/python3.7/site-packages/django/db/backends/utils.py" in _execute
85. return self.cursor.execute(sql, params)
File "/home/username/anaconda3/lib/python3.7/site-packages/django/db/backends/sqlite3/base.py" in execute
298. return Database.Cursor.execute(self, query, params)
Exception Type: OperationalError at /admin/polls/question/add/
Exception Value: no such table: main.auth_user__old
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