Error -27 at startup

[ishfx]

Hello,

First of all, thank you for this app and jellyfin in general.

So i cloned this repository, compiled it with webos sdk then uploaded it to my TV (Webos 5.2.1-2521).
After running the app, i entered my jellyfin server (https://media.mydomain.tld) then pressed "Connect".
The app responded with an error screen saying "Loading not possible" and en error code : -27.

I restarted the app and tried with the demo server (https://demo.jellyfin.org/stable) : It worked !

What does this error code mean ? Did i forget something in my jellyfin server conf ?

Thanks in advance!

[ishfx]

It seems that the issue comes from a closed port (7359/udp). Now everything is working !

[mekwall]

It seems that the issue comes from a closed port (7359/udp). Now everything is working !

@ishfx How did you figure this out?

[kwaio]

Same error here. Forwarding udp/7359 didn't help

[iwatch-x]

i got the same error did someone find out whats wrong?

[ypid]

I found that the webserver hardening X-Frame-Options "SAMEORIGIN" that DebOps has enabled by default resulted in this error. With X-Frame-Options absent in the HTTP response headers Jellyfin works well for me on webOS. My exact setup that works with webOS can be reproduced with Ansible and DebOps. Jellyfin Ansible role: https://github.com/ypid/debops/tree/add/jellyfin/ansible/roles/jellyfin

So things you should check: What is your reverse proxy, thing that gives you HTTPS, whatever is between Jellyfin and the TV doing? Does it insert hardening headers? You can check with curl -I -X GET $jellyfin_url. It must not show X-Frame-Options as set to SAMEORIGIN.

Edit: Jellyfin docs already warn about this: https://jellyfin.org/docs/general/networking/nginx