Hi! I have a remote server with ClearML server on it. I’m trying to get access to ClearML Web UI through ssh port forwarding (ssh vdc01 -fNL 8080:localhost:8080), but getting error “server unavailable” in localhost:8080 on local machine.

cleaml.conf:

# ClearML SDK configuration file
api {
    # Notice: 'host' is the api server (default port 8008), not the web server.
    api_server: 

    web_server: 

    files_server: 

/opt/clearml/logs/apiserver.log:

[2023-03-09 07:37:09,594] [9] [WARNING] [elasticsearch] POST 

 [status:N/A request:0.001s]
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/urllib3/connection.py", line 175, in _new_conn
    (self._dns_host, self.port), self.timeout, **extra_kw
  File "/usr/local/lib/python3.6/site-packages/urllib3/util/connection.py", line 95, in create_connection
    raise err
  File "/usr/local/lib/python3.6/site-packages/urllib3/util/connection.py", line 85, 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/site-packages/elasticsearch/connection/http_urllib3.py", line 252, in perform_request
    method, url, body, retries=Retry(False), headers=request_headers, **kw
  File "/usr/local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 786, in urlopen
    method, url, error=e, _pool=self, _stacktrace=sys.exc_info()[2]
  File "/usr/local/lib/python3.6/site-packages/urllib3/util/retry.py", line 525, in increment
    raise six.reraise(type(error), error, _stacktrace)
  File "/usr/local/lib/python3.6/site-packages/urllib3/packages/six.py", line 770, in reraise
    raise value
  File "/usr/local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 710, in urlopen
    chunked=chunked,
  File "/usr/local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 398, in _make_request
    conn.request(method, url, **httplib_request_kw)
  File "/usr/local/lib/python3.6/site-packages/urllib3/connection.py", line 239, in request
    super(HTTPConnection, self).request(method, url, body=body, headers=headers)
  File "/usr/lib64/python3.6/http/client.py", line 1254, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/usr/lib64/python3.6/http/client.py", line 1300, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/usr/lib64/python3.6/http/client.py", line 1249, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/usr/lib64/python3.6/http/client.py", line 1036, in _send_output
    self.send(msg)
  File "/usr/lib64/python3.6/http/client.py", line 974, in send
    self.connect()
  File "/usr/local/lib/python3.6/site-packages/urllib3/connection.py", line 205, in connect
    conn = self._new_conn()
  File "/usr/local/lib/python3.6/site-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 0x7f24087c0320>: Failed to establish a new connection: [Errno 111] Connection refused

what should I do to fix that?