unable to open database file
Ubuntu 18.04 上開了一個項目，執行python manage.py runserver，無法啟動，出現了這個問題。
感覺django 入門最難的地方在于環境配置，希望老師能夠更加詳細的講解環境配置
qq_悠悠li_0
2019-12-08
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2019-12-08
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2019-12-08
加上 duso python manage.py runserver? 解決?
2019-12-08
jedi@jedi-VirtualBox:/var/www/html/test/django_test$ python manage.py runserver
Watching for file changes with StatReloader
Performing system checks...
System check identified no issues (0 silenced).
Exception in thread django-main-thread:
Traceback (most recent call last):
? File "/usr/local/lib/python3.6/dist-packages/django/db/backends/base/base.py", line 220, in ensure_connection
? ? self.connect()
? File "/usr/local/lib/python3.6/dist-packages/django/utils/asyncio.py", line 24, in inner
? ? return func(*args, **kwargs)
? File "/usr/local/lib/python3.6/dist-packages/django/db/backends/base/base.py", line 197, in connect
? ? self.connection = self.get_new_connection(conn_params)
? File "/usr/local/lib/python3.6/dist-packages/django/utils/asyncio.py", line 24, in inner
? ? return func(*args, **kwargs)
? File "/usr/local/lib/python3.6/dist-packages/django/db/backends/sqlite3/base.py", line 199, in get_new_connection
? ? conn = Database.connect(**conn_params)
sqlite3.OperationalError: unable to open database file
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
? File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
? ? self.run()
? File "/usr/lib/python3.6/threading.py", line 864, in run
? ? self._target(*self._args, **self._kwargs)
? File "/usr/local/lib/python3.6/dist-packages/django/utils/autoreload.py", line 53, in wrapper
? ? fn(*args, **kwargs)
? File "/usr/local/lib/python3.6/dist-packages/django/core/management/commands/runserver.py", line 120, in inner_run
? ? self.check_migrations()
? File "/usr/local/lib/python3.6/dist-packages/django/core/management/base.py", line 458, in check_migrations
? ? executor = MigrationExecutor(connections[DEFAULT_DB_ALIAS])
? File "/usr/local/lib/python3.6/dist-packages/django/db/migrations/executor.py", line 18, in __init__
? ? self.loader = MigrationLoader(self.connection)
? File "/usr/local/lib/python3.6/dist-packages/django/db/migrations/loader.py", line 49, in __init__
? ? self.build_graph()
? File "/usr/local/lib/python3.6/dist-packages/django/db/migrations/loader.py", line 212, in build_graph
? ? self.applied_migrations = recorder.applied_migrations()
? File "/usr/local/lib/python3.6/dist-packages/django/db/migrations/recorder.py", line 76, in applied_migrations
? ? if self.has_table():
? File "/usr/local/lib/python3.6/dist-packages/django/db/migrations/recorder.py", line 56, in has_table
? ? return self.Migration._meta.db_table in self.connection.introspection.table_names(self.connection.cursor())
? File "/usr/local/lib/python3.6/dist-packages/django/utils/asyncio.py", line 24, in inner
? ? return func(*args, **kwargs)
? File "/usr/local/lib/python3.6/dist-packages/django/db/backends/base/base.py", line 260, in cursor
? ? return self._cursor()
? File "/usr/local/lib/python3.6/dist-packages/django/db/backends/base/base.py", line 236, in _cursor
? ? self.ensure_connection()
? File "/usr/local/lib/python3.6/dist-packages/django/utils/asyncio.py", line 24, in inner
? ? return func(*args, **kwargs)
? File "/usr/local/lib/python3.6/dist-packages/django/db/backends/base/base.py", line 220, in ensure_connection
? ? self.connect()
? File "/usr/local/lib/python3.6/dist-packages/django/db/utils.py", line 90, in __exit__
? ? raise dj_exc_value.with_traceback(traceback) from exc_value
? File "/usr/local/lib/python3.6/dist-packages/django/db/backends/base/base.py", line 220, in ensure_connection
? ? self.connect()
? File "/usr/local/lib/python3.6/dist-packages/django/utils/asyncio.py", line 24, in inner
? ? return func(*args, **kwargs)
? File "/usr/local/lib/python3.6/dist-packages/django/db/backends/base/base.py", line 197, in connect
? ? self.connection = self.get_new_connection(conn_params)
? File "/usr/local/lib/python3.6/dist-packages/django/utils/asyncio.py", line 24, in inner
? ? return func(*args, **kwargs)
? File "/usr/local/lib/python3.6/dist-packages/django/db/backends/sqlite3/base.py", line 199, in get_new_connection
? ? conn = Database.connect(**conn_params)
django.db.utils.OperationalError: unable to open database file