django.db.utils.OperationalError：サーバーが予期せず接続を閉じました

Question

エラーを解決できません。

私は

Unhandled exception in thread started by <function wrapper at 0x0000000003DAC4A8> Traceback (most recent call last): File "C:\Python27\lib\site-packages\django\utils\autoreload.py", line 226, in wrapper fn(*args, **kwargs) File "C:\Python27\lib\site packages\django\core\management\commands\runserver.py", line 124, in inner_run self.check_migrations() File "C:\Python27\lib\site-packages\django\core\management\base.py", line 437, in check_migrations executor = MigrationExecutor(connections[DEFAULT_DB_ALIAS]) File "C:\Python27\lib\site-packages\django\db\migrations\executor.py", line 20, in __init__ self.loader = MigrationLoader(self.connection) File "C:\Python27\lib\site-packages\django\db\migrations\loader.py", line 52, in __init__ self.build_graph() File "C:\Python27\lib\site-packages\django\db\migrations\loader.py", line 203, in build_graph self.applied_migrations = recorder.applied_migrations() File "C:\Python27\lib\site-packages\django\db\migrations\recorder.py", line 65, in applied_migrations self.ensure_schema() File "C:\Python27\lib\site-packages\django\db\migrations\recorder.py", line 52, in ensure_schema if self.Migration._meta.db_table in self.connection.introspection.table_names(self.connection.cursor()): File "C:\Python27\lib\site-packages\django\db\backends\base\base.py", line 231, in cursor cursor = self.make_debug_cursor(self._cursor()) File "C:\Python27\lib\site-packages\django\db\backends\base\base.py", line 204, in _cursor self.ensure_connection() File "C:\Python27\lib\site-packages\django\db\backends\base\base.py", line 199, in ensure_connection self.connect() File "C:\Python27\lib\site-packages\django\db\utils.py", line 94, in __exit__ six.reraise(dj_exc_type, dj_exc_value, traceback) File "C:\Python27\lib\site-packages\django\db\backends\base\base.py", line 199, in ensure_connection self.connect() File "C:\Python27\lib\site-packages\django\db\backends\base\base.py", line 171, in connect self.connection = self.get_new_connection(conn_params) File "C:\Python27\lib\site-packages\django\db\backends\postgresql\base.py", line 176, in get_new_connection connection = Database.connect(**conn_params) File "C:\Python27\lib\site-packages\psycopg2\__init__.py", line 164, in connect conn = _connect(dsn, connection_factory=connection_factory, async=async) django.db.utils.OperationalError: server closed the connection unexpectedly This probably means the server terminated abnormally before or while processing the request.

のrunserver感謝を

1. のpython manage.py makemigrations
2. のpython manage.py以下のコマンドのいずれかを実行したときにトレースを取得し続ける

   django.db.utils.OperationalError: server closed the connection unexpectedly 
       This probably means the server terminated abnormally 
       before or while processing the request. 
   

   あらかじめ。

Answer 1

これは、通常、PostgreSQLサーバが正しく動作していないことを意味します。再起動がそれを修正する場合は、注意してくださいあなたは

して、Linux

sudo /etc/init.d/postgresql restart 

のWindows

sc stop postgresql 
sc start postgresql 

のMac OS X

How to start PostgreSQL server on Mac OS X?

それを再起動する場合がありますことの根本的な原因以前のサーバーの障害にはまだ調査が必要です。