Python 3.5 connection.py : sock. connect(sa) ConnectionRefusedError: [Errno 111]

Question

我有一个 Python 3.5 脚本，可以从另一个 Linux 服务器中提取信息。必须先通过443端口建立连接。不幸的是，我收到以下错误消息:

我可以 ping 通 Linux 服务器，但出现以下错误:

Traceback (most recent call last):
  File "/opt/saddlesum/webapp_Py3/lib/python3.5/site-    packages/requests/packages/urllib3/connectionpool.py", line 544, in urlopen
    body=body, headers=headers)
  File "/opt/saddlesum/webapp_Py3/lib/python3.5/site-    packages/requests/packages/urllib3/connectionpool.py", line 341, in     _make_request
    self._validate_conn(conn)
   File "/opt/saddlesum/webapp_Py3/lib/python3.5/site-packages/requests/packages/urllib3/connectionpool.py", line 761, in _validate_conn
   conn.connect()
  File "/opt/saddlesum/webapp_Py3/lib/python3.5/site-packages/requests/packages/urllib3/connection.py", line 204, in connect
  conn = self._new_conn()
  File "/opt/saddlesum/webapp_Py3/lib/python3.5/site-packages/requests/packages/urllib3/connection.py", line 134, in _new_conn
    (self.host, self.port), self.timeout, **extra_kw)
  File "/opt/saddlesum/webapp_Py3/lib/python3.5/site-packages/requests/packages/urllib3/util/connection.py", line 88, in create_connection
    raise err
   File "/opt/saddlesum/webapp_Py3/lib/python3.5/site-packages/requests/packages/urllib3/util/connection.py", line 78, in create_connection
    sock.connect(sa)
 ConnectionRefusedError: [Errno 111] Connection refused

Answer 1

问题是由我的/etc/hosts 文件中的重复 IP 地址引起的。一旦我删除了不正确的条目，一切都开始工作了。