JellyFin Media Player not working Ubuntu

JellyFin Media Player not working Ubuntu - Printable Version

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+--- Thread: JellyFin Media Player not working Ubuntu (/t-jellyfin-media-player-not-working-ubuntu)

JellyFin Media Player not working Ubuntu - exaveal - 2025-01-23

Hello,

Using Jellyfin Media Player on latest Ubuntu (24.04) is very complicated. Since some weeks it's broken, I cannot start it anymore.

The unofficial Snap-Package of Jellyfin Client is broken and cannot be found anymore. So I removed it.
The Flatpak is the only option left. Install Flatpak and starting Jellyfin ends in an error.

Code:
flatpak run com.github.iwalton3.jellyfin-media-player

Got keys from plugin meta data ("xcb")

QFactoryLoader::QFactoryLoader() checking directory path "/app/bin/platforms" ...

loaded library "/usr/lib/plugins/platforms/libqxcb.so"

qt.qpa.xcb: could not connect to display 

qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.

This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

Can anybody help? Same proble in fresh install of Ubuntu Gnome (Wayland)

RE: JellyFin Media Player not working Ubuntu - TheDreadPirate - 2025-01-23

JMP is built on QT5 and requires X11 support in your DE.

Also, there is a deb package you can download and install. Though, this doesn't change the X11 requirement.

https://github.com/jellyfin/jellyfin-media-player/releases/tag/v1.11.1

jellyfin-media-player_1.11.1-1_amd64-noble.deb

Code:
sudo apt install ./jellyfin-media-player_1.11.1-1_amd64-noble.deb

RE: JellyFin Media Player not working Ubuntu - exaveal - 2025-01-29

Thanks for your recommendation.

I am on wayland. But it worked like a charm before. So this cannot be the reason.

I have installed the .deb package now. This works without problems. But it's no PPA, so I will not have automatic updates. I would really like to go "back" to the snap package or the flatpak package.

RE: JellyFin Media Player not working Ubuntu - TheDreadPirate - 2025-01-29

Some DEs will run Xwayland by default, which allows X11 apps to run under wayland. But if you are exclusively using wayland that would break JMP, period. No uncertainty with that fact.

https://forum.jellyfin.org/t-solved-jellyfin-media-player-not-starting-on-fresh-arch-wayland-install