Now I am using Cocos as frontend, and Laravel as backend.
And server is NGINX. After restart NGINX server, I got this error.
Before restart server, there was no error. How to fix this issue?
Now I am using Cocos as frontend, and Laravel as backend.
And server is NGINX. After restart NGINX server, I got this error.
Before restart server, there was no error. How to fix this issue?


It's expected for the server to close all connections when it's restarted. You should use "reload" instead. Typically:
http://nginx.org/en/docs/beginners_guide.html#control