502 bad gateway

#1

This is regarding my mariadb installation & configuration task, after pressing the + button and selecting Select port to view on Host 1 . It returns a 502 badgateway page with nginx server version. .

![badgateway|690x387](upload://4FxSnLk4htmc8B5jdKolsyaUYTP.png)
#2

Because configuration not applicable for that and correct the image, not uploaded properly.