[Rspamd-Users] issue with rspamd_proxy since update to 2.0 - abnormally closing connection from backend

[Albrecht Backhaus]

Something new since the update and related to rspamd_proxy. I do have 
this occasionally and have not idea what to do ?

019-10-14 19:27:01 #16218(rspamd_proxy) <9992ed>; proxy; 
proxy_accept_socket: accepted milter connection from 127.0.0.1 port 
34402
2019-10-14 19:27:09 #16218(rspamd_proxy) <9992ed>; milter; 
rspamd_milter_process_command: got connection from 109.169.65.225:33134
2019-10-14 19:27:12 #16218(rspamd_proxy) <9992ed>; proxy; 
proxy_backend_master_error_handler: abnormally closing connection from 
backend: ::1, error: IO write error: Connection refused, retries left: 5
2019-10-14 19:27:12 #16218(rspamd_proxy) <9992ed>; proxy; 
proxy_backend_master_error_handler: retry connection to: ::1 retries 
left: 4
2019-10-14 19:27:12 #16218(rspamd_proxy) <9992ed>; proxy; 
proxy_backend_master_error_handler: abnormally closing connection from 
backend: ::1, error: IO write error: Connection refused, retries left: 4
2019-10-14 19:27:12 #16218(rspamd_proxy) <9992ed>; proxy; 
proxy_backend_master_error_handler: retry connection to: ::1 retries 
left: 3
2019-10-14 19:27:12 #16218(rspamd_proxy) <9992ed>; proxy; 
proxy_backend_master_error_handler: abnormally closing connection from 
backend: ::1, error: IO write error: Connection refused, retries left: 3
2019-10-14 19:27:12 #16218(rspamd_proxy) <9992ed>; proxy; 
proxy_backend_master_error_handler: retry connection to: ::1 retries 
left: 2
2019-10-14 19:27:12 #16218(rspamd_proxy) <9992ed>; proxy; 
proxy_backend_master_error_handler: abnormally closing connection from 
backend: ::1, error: IO write error: Connection refused, retries left: 2
2019-10-14 19:27:12 #16218(rspamd_proxy) <9992ed>; proxy; 
proxy_backend_master_error_handler: retry connection to: ::1 retries 
left: 1
2019-10-14 19:27:12 #16218(rspamd_proxy) <9992ed>; proxy; 
proxy_backend_master_error_handler: abnormally closing connection from 
backend: ::1, error: IO write error: Connection refused, retries left: 1
2019-10-14 19:27:12 #16218(rspamd_proxy) <9992ed>; proxy; 
proxy_backend_master_error_handler: retry connection to: ::1 retries 
left: 0
2019-10-14 19:27:12 #16218(rspamd_proxy) <9992ed>; proxy; 
proxy_backend_master_error_handler: abnormally closing connection from 
backend: ::1, error: IO write error: Connection refused, retries left: 0
2019-10-14 19:27:12 #16218(rspamd_proxy) <9992ed>; proxy; 
proxy_backend_master_error_handler: cannot connect to upstream, maximum 
retries has been reached: 6

Any help highly appreciated
Regards, Albrecht