judge server无法正常运行

[yanyige]

2023-10-26 07:59:17,197 ERROR HTTPConnectionPool(host='oj-backend', port=8000): Max retries exceeded with url: /api/judge_server_heartbeat/ (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f17b64dc898>: Failed to establish a new connection: [Errno 111] Connection refused',))
Traceback (most recent call last):
File "/usr/local/lib/python3.6/dist-packages/urllib3/connection.py", line 175, in _new_conn
(self._dns_host, self.port), self.timeout, **extra_kw
File "/usr/local/lib/python3.6/dist-packages/urllib3/util/connection.py", line 96, in create_connection
raise err
File "/usr/local/lib/python3.6/dist-packages/urllib3/util/connection.py", line 86, in create_connection
sock.connect(sa)
ConnectionRefusedError: [Errno 111] Connection refused

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/local/lib/python3.6/dist-packages/urllib3/connectionpool.py", line 706, in urlopen
chunked=chunked,
File "/usr/local/lib/python3.6/dist-packages/urllib3/connectionpool.py", line 394, in _make_request
conn.request(method, url, **httplib_request_kw)
File "/usr/local/lib/python3.6/dist-packages/urllib3/connection.py", line 239, in request
super(HTTPConnection, self).request(method, url, body=body, headers=headers)
File "/usr/lib/python3.6/http/client.py", line 1281, in request
self._send_request(method, url, body, headers, encode_chunked)
File "/usr/lib/python3.6/http/client.py", line 1327, in _send_request
self.endheaders(body, encode_chunked=encode_chunked)
File "/usr/lib/python3.6/http/client.py", line 1276, in endheaders
self._send_output(message_body, encode_chunked=encode_chunked)
File "/usr/lib/python3.6/http/client.py", line 1042, in _send_output
self.send(msg)
File "/usr/lib/python3.6/http/client.py", line 980, in send
self.connect()
File "/usr/local/lib/python3.6/dist-packages/urllib3/connection.py", line 205, in connect
conn = self._new_conn()
File "/usr/local/lib/python3.6/dist-packages/urllib3/connection.py", line 187, in _new_conn
self, "Failed to establish a new connection: %s" % e
urllib3.exceptions.NewConnectionError: <urllib3.connection.HTTPConnection object at 0x7f17b64dc898>: Failed to establish a new connection: [Errno 111] Connection refused

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/local/lib/python3.6/dist-packages/requests/adapters.py", line 449, in send
timeout=timeout
File "/usr/local/lib/python3.6/dist-packages/urllib3/connectionpool.py", line 756, in urlopen
method, url, error=e, _pool=self, _stacktrace=sys.exc_info()[2]
File "/usr/local/lib/python3.6/dist-packages/urllib3/util/retry.py", line 574, in increment
raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='oj-backend', port=8000): Max retries exceeded with url: /api/judge_server_heartbeat/ (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f17b64dc898>: Failed to establish a new connection: [Errno 111] Connection refused',))

During handling of the above exception, another exception occurred: