-4
堆棧跟蹤：Django的：django.db.utils.OperationalError：無法打開數據庫文件
System check identified no issues (0 silenced).
Unhandled exception in thread started by <function wrapper at 0x7f58375ac9b0>
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/django/utils/autoreload.py", line 229, in wrapper
fn(*args, **kwargs)
File "/usr/lib/python2.7/dist-packages/django/core/management/commands/runserver.py", line 116, in inner_run
self.check_migrations()
File "/usr/lib/python2.7/dist-packages/django/core/management/commands/runserver.py", line 168, in check_migrations
executor = MigrationExecutor(connections[DEFAULT_DB_ALIAS])
File "/usr/lib/python2.7/dist-packages/django/db/migrations/executor.py", line 19, in __init__
self.loader = MigrationLoader(self.connection)
File "/usr/lib/python2.7/dist-packages/django/db/migrations/loader.py", line 47, in __init__
self.build_graph()
File "/usr/lib/python2.7/dist-packages/django/db/migrations/loader.py", line 191, in build_graph
self.applied_migrations = recorder.applied_migrations()
File "/usr/lib/python2.7/dist-packages/django/db/migrations/recorder.py", line 59, in applied_migrations
self.ensure_schema()
File "/usr/lib/python2.7/dist-packages/django/db/migrations/recorder.py", line 49, in ensure_schema
if self.Migration._meta.db_table in self.connection.introspection.table_names(self.connection.cursor()):
File "/usr/lib/python2.7/dist-packages/django/db/backends/base/base.py", line 162, in cursor
cursor = self.make_debug_cursor(self._cursor())
File "/usr/lib/python2.7/dist-packages/django/db/backends/base/base.py", line 135, in _cursor
self.ensure_connection()
File "/usr/lib/python2.7/dist-packages/django/db/backends/base/base.py", line 130, in ensure_connection
self.connect()
File "/usr/lib/python2.7/dist-packages/django/db/utils.py", line 98, in __exit__
six.reraise(dj_exc_type, dj_exc_value, traceback)
File "/usr/lib/python2.7/dist-packages/django/db/backends/base/base.py", line 130, in ensure_connection
self.connect()
File "/usr/lib/python2.7/dist-packages/django/db/backends/base/base.py", line 119, in connect
self.connection = self.get_new_connection(conn_params)
File "/usr/lib/python2.7/dist-packages/django/db/backends/sqlite3/base.py", line 204, in get_new_connection
conn = Database.connect(**conn_params)
django.db.utils.OperationalError: unable to open database file