Couldn't execute warm up request

Any idea why it failed?

Couldn’t execute warm up request

Ping to it is okay but telenet to it failed.

See below.

Works fine for me. Maybe that’s being blocked by your organisation?

$ ping
PING ( 56 data bytes
64 bytes from icmp_seq=0 ttl=56 time=88.758 ms

(to) 80
Connected to
Escape character is ‘^]’.

See the documentation around auto warm-up - you can either change the URL (to something accessible) or just disable it, assuming it’s a connectivity issue from your injector to the internet?