Temboard-Agent Bug on Ubuntu 22.04

[shiroikosuke]

Hello, i have issued with this log when i started the temboard-agent service

INFO: app: Using config file /etc/temboard-agent/15/main/temboard-agent.conf. INFO: fetch_key: Requesting public key from https://temboard-testserver.com:8888. ERROR: app: Unhandled error: Traceback (most recent call last): File "/usr/lib/python3/dist-packages/temboardagent/toolkit/app.py", line 351, in entrypoint retcode = self.main(argv, environ) File "/usr/lib/python3/dist-packages/temboardagent/cli/app.py", line 135, in main return command.main(args) File "/usr/lib/python3/dist-packages/temboardagent/cli/fetch_key.py", line 41, in main response = ui_client.get('/signing.key') File "/usr/lib/python3/dist-packages/temboardagent/toolkit/http.py", line 148, in get return self.request('GET', path, headers) File "/usr/lib/python3/dist-packages/temboardagent/toolkit/http.py", line 128, in request conn.request(method, path, body, headers) File "/usr/lib/python3.10/http/client.py", line 1283, in request self._send_request(method, url, body, headers, encode_chunked) File "/usr/lib/python3.10/http/client.py", line 1329, in _send_request self.endheaders(body, encode_chunked=encode_chunked) File "/usr/lib/python3.10/http/client.py", line 1278, in endheaders self._send_output(message_body, encode_chunked=encode_chunked) File "/usr/lib/python3.10/http/client.py", line 1038, in _send_output self.send(msg) File "/usr/lib/python3.10/http/client.py", line 976, in send self.connect() File "/usr/lib/python3.10/http/client.py", line 1448, in connect super().connect() File "/usr/lib/python3.10/http/client.py", line 942, in connect self.sock = self._create_connection( File "/usr/lib/python3.10/socket.py", line 824, in create_connection for res in getaddrinfo(host, port, 0, SOCK_STREAM): File "/usr/lib/python3.10/socket.py", line 955, in getaddrinfo for res in _socket.getaddrinfo(host, port, family, type, proto, flags): socket.gaierror: [Errno -2] Name or service not known ERROR: app: temboardagent version is 8.2.1. ERROR: app: This is a bug!

Do you have solution for this bug ? when i trace the bug, the bug is comes from the python folder.

If anyone can help this, i really appreciate and thankyou !