Bench update --reset fails

On Amazon Linux 2, the command bench update --reset fails with following error…

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$ supervisorctl restart frappe:
http://localhost:9001 refused connection

Traceback (most recent call last):

Error comes when trying to restart a not present group in bench_folder/config/supervisor.conf.

While reviewing the ode in bench/utils/, I can see that “frappe:” group restart is a part of backward compatibility.

What could be the resolution…?

Thank you.

In common site config, set restart_supervisor_on_update to false

Though… the solution resolved as a workaround, the issue remains while restarting the supervisor by bench update…

Please share any views on possible cause of the issue.