502 Bad Gateway When We Send Notification
2017/10/12 09:15:10 [error] 14061#14061: *34962277 connect() to unix:/var/run/php/php7.0-fpm.sock failed (11: Resource temporarily unavailable) while connecting to upstream, client: 18.104.22.168, server: topcoaching.in, request: "GET /api/….. HTTP/1.1", upstream: "fastcgi://unix:/var/run/php/php7.0-fpm.sock:", host: "topcoaching.in"
I have try to solve the problem but not get any success. It will be good for me if you can suggest any solution for this problem. I have also upgrade Linode but again it stop working when send notification to users.