> Well, providing minimal code samples that produce the problem would be
> a start.
I prefer an other approach to clarify relevant software configuration
differences.
> Otherwise we are just guessing...
I can offer other data before.
> Maybe you have a firewall problem.
I hope not.
I can try another server variant out as expected.
elfring@Sonne:~/Projekte/Python> /usr/bin/python3 test-server2.py &
[1] 14067
elfring@Sonne:~/Projekte/Python> /usr/bin/ss -t -l -p -H|grep python
LISTEN 0 5 127.0.0.1:search-agent 0.0.0.0:*
users:(("python3",pid=14067,fd=3))
elfring@Sonne:~/Projekte/Python> /usr/bin/python3 socket-send_json_data.py
--server_id localhost --server_port 1234
Using Python version:
3.7.2 (default, Dec 30 2018, 16:18:15) [GCC]
elfring@Sonne:~/Projekte/Python> Result:
…
Can connections work also with a network service address like “[::1]:35529”
(which would be used by the C++ server implementation so far)?
How does the software situation look like for the support of the IPv6 loopback
address?
Regards,
Markus
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