Openfire 4.9.0 websocket connection failed

Hi. my client alert an error when using websocket connet openfrie server : “Invlaid http status”
here is Openfire logs below, where can i get more info or error log ? I guess the openfire server return bad http code. or something wrong with configuration.

Openfire log like this , i will upload more if you need.

thinks for your help.

my openfire is running in k8s pod behind nginx.here is my nginx configuration.