我尝试在本地计算机上运行我的网站时遇到了一个奇怪的问题。如果我输入python manage.py runserver，我会收到以下错误，我的网站无法加载。
我尝试在本地计算机上重新启动Postgres数据库并重新启动计算机，但遇到了同样的问题。
我的网站是在Heroku上托管的Python / Django中构建的，文件通过Cloudfront / AWS提供。
System check identified 1 issue (0 silenced).
Unhandled exception in thread started by <function check_errors.<locals>.wrapper at 0x072D7780>
Traceback (most recent call last):
File "C:\Users\xxx\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\backends\base\base.py", line 216, in ensure_connection
self.connect()
File "C:\Users\xxx\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\backends\base\base.py", line 194, in connect
self.connection = self.get_new_connection(conn_params)
File "C:\Users\xxx\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\backends\postgresql\base.py", line 168, in get_new_connection
connection = Database.connect(**conn_params)
File "C:\Users\crstu\AppData\Local\Programs\Python\Python36-32\lib\site-packages\psycopg2\__init__.py", line 130, in connect
conn = _connect(dsn, connection_factory=connection_factory, **kwasync)
psycopg2.OperationalError: could not connect to server: Connection timed out (0x0000274C/10060)
Is the server running on host "ec2-107-20-188-239.compute-1.amazonaws.com" (107.20.188.239) and accepting
TCP/IP connections on port 5432?
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "C:\Users\crstu\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\utils\autoreload.py", line 225, in wrapper
fn(*args, **kwargs)
File "C:\Users\crstu\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\core\management\commands\runserver.py", line 123, in inner_run
self.check_migrations()
File "C:\Users\crstu\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\core\management\base.py", line 427, in check_migrations
executor = MigrationExecutor(connections[DEFAULT_DB_ALIAS])
File "C:\Users\crstu\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\migrations\executor.py", line 18, in __init__
self.loader = MigrationLoader(self.connection)
File "C:\Users\crstu\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\migrations\loader.py", line 49, in __init__
self.build_graph()
File "C:\Users\crstu\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\migrations\loader.py", line 206, in build_graph
self.applied_migrations = recorder.applied_migrations()
File "C:\Users\crstu\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\migrations\recorder.py", line 61, in applied_migrations
if self.has_table():
File "C:\Users\crstu\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\migrations\recorder.py", line 44, in has_table
return self.Migration._meta.db_table in self.connection.introspection.table_names(self.connection.cursor())
File "C:\Users\crstu\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\backends\base\base.py", line 255, in cursor
return self._cursor()
File "C:\Users\crstu\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\backends\base\base.py", line 232, in _cursor
self.ensure_connection()
File "C:\Users\crstu\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\backends\base\base.py", line 216, in ensure_connection
self.connect()
File "C:\Users\crstu\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\utils.py", line 89, in __exit__
raise dj_exc_value.with_traceback(traceback) from exc_value
File "C:\Users\crstu\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\backends\base\base.py", line 216, in ensure_connection
self.connect()
File "C:\Users\crstu\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\backends\base\base.py", line 194, in connect
self.connection = self.get_new_connection(conn_params)
File "C:\Users\crstu\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\backends\postgresql\base.py", line 168, in get_new_connection
connection = Database.connect(**conn_params)
File "C:\Users\crstu\AppData\Local\Programs\Python\Python36-32\lib\site-packages\psycopg2\__init__.py", line 130, in connect
conn = _connect(dsn, connection_factory=connection_factory, **kwasync)
django.db.utils.OperationalError: could not connect to server: Connection timed out (0x0000274C/10060)
Is the server running on host "ec2-107-20-188-239.compute-1.amazonaws.com" (107.20.188.239) and accepting
TCP/IP connections on port 5432?