I followed note 4,
had to follow Redis cache server not running. Please contact Administrator / Techsupport error to remove redis-cache error
In brief :
I see no error on bench update now. I get error on sudo supervisorctl status
output of sudo supervisorctl status :
frappe-bench-processes:frappe-bench-frappe-async-worker RUNNING pid 3461, uptime 0:07:55
frappe-bench-processes:frappe-bench-frappe-longjob-worker RUNNING pid 3462, uptime 0:07:55
frappe-bench-processes:frappe-bench-frappe-web RUNNING pid 3486, uptime 0:07:54
frappe-bench-processes:frappe-bench-frappe-worker RUNNING pid 3497, uptime 0:07:54
frappe-bench-processes:frappe-bench-frappe-workerbeat RUNNING pid 3479, uptime 0:07:55
frappe-bench-processes:frappe-bench-node-socketio RUNNING pid 3517, uptime 0:07:51
frappe-bench-redis:frappe-bench-redis-cache RUNNING pid 3514, uptime 0:07:52
frappe-bench-redis:frappe-bench-redis-queue FATAL Exited too quickly (process log may have details)
frappe-bench-redis:frappe-bench-redis-socketio RUNNING pid 3519, uptime 0:07:51
process log logs/redis-queue.log:
[3513] 25 Mar 09:22:45 # Opening port 6379: bind: Address already in use
[3518] 25 Mar 09:22:46 # Opening port 6379: bind: Address already in use
[3528] 25 Mar 09:22:49 # Opening port 6379: bind: Address already in use
[3529] 25 Mar 09:22:52 # Opening port 6379: bind: Address already in use
Everything is working fine on desk. No errors on desk.
solved with :
sudo update-rc.d redis-server disable
sudo service redis-server stop
sudo supervisorctl start all