Could not connect with Form Server - ODK Central behind a different NGINX upstream

[MinimalPotato]

Hey @sepotembo !

I wanted to share something that might help - my mentor wrote a post on the forum where he explains how he tackled a similar issue. It’s definitely worth checking out!..

Enketo not loading

I have managed to RESOLVE The Error using various suggestions in the forum Step 1: Check reach ability of ODK host to the ODK central website https://xxx.yyyy.zzzz cd ~/central curl -i https://xxx.yyyy.zzzz curl https://xxx.yyyy.zzzz | grep getodk.org Potential issues: The server is host is not able to reach itself due to a. DNS issues: nslookup xxx.yyyy.zzzz You should get the public IP address of the ODK central website xxx.yyyy.zzzz If Not, check reachability to DNS and configura…

From what I understand, the problem here seems to be related to this:

ODK Central Troubleshooting – DNS Issue

This kind of DNS issue often comes up when setting up ODK Central behind a reverse proxy. I’d recommend following the steps outlined in the ODK documentation (linked above) - that should help you get things sorted!

Hope it helps!