Forums Technical Discussion Houdini Launcher won't start up on Linux Mint anymore

Houdini Launcher won't start up on Linux Mint anymore

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Maui
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Joined: 8月 2014
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Hey,
I just wanted to upgrade to H21 on Linux Mint using the Launcher but I have some problems getting Houdini Launcher to start up. It tried to perform an update when I first started it but I guess there was an problem while installing it. So I tried to install it manually but up until now I didn't have any luck.

When I try to launch it via the Shell I get the following error
./houdini_launcher
qt.qpa.plugin: From 6.5.0, xcb-cursor0 or libxcb-cursor0 is needed to load the Qt xcb platform plugin.
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.

Available platform plugins are: eglfs, offscreen, vnc, vkkhrdisplay, linuxfb, minimal, xcb, minimalegl.
Has anyone a solution to this problem? I'm relatively new to Linux but know my why around some things.

Houdini 20.5 still works fine however.
Thanks for your help
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alexwheezy
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Additional packages are required for H21
https://www.sidefx.com/Support/system-requirements/houdini-210-linux-package-requirements/ [www.sidefx.com]
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Maui
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alexwheezy
Additional packages are required for H21
https://www.sidefx.com/Support/system-requirements/houdini-210-linux-package-requirements/ [www.sidefx.com]
Do I just add those commands into a terminal to get them to sownload or do I have to add anything in addition?
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alexwheezy
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Maui
alexwheezy
Additional packages are required for H21
https://www.sidefx.com/Support/system-requirements/houdini-210-linux-package-requirements/ [www.sidefx.com]
Do I just add those commands into a terminal to get them to sownload or do I have to add anything in addition?
Yep, you need to do something like this: 
sudo apt install [list of packages]
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Maui
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Ok I tried it but I still can't get the Houdini Launcher to startup getting the same error as before :-(
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protozoan
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For some distros this list isn't complete, you're still missing a dependency.

I would specifically check for that xcb-cursor lib that is mentioned in your error (I've had issues with it on another distro).
Martin Winkler
money man at Alarmstart Germany
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LiBoNing
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As sidefx mentioned in the H21 requirements: "If you continue to encounter Qt errors on startup, then check that you have installed the Qt required packages found here:"
https://doc.qt.io/qt-6/linux-requirements.html [doc.qt.io]

Same issue happened to my ubuntu 24.04 and resolved after installing those Qt packages.
MotionCOPs toolkit - pushing COPS into motion design and dynamic effects territory.
https://github.com/Boning1011/motion-cops [github.com]
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Maui
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LiBoNing
As sidefx mentioned in the H21 requirements: "If you continue to encounter Qt errors on startup, then check that you have installed the Qt required packages found here:"
https://doc.qt.io/qt-6/linux-requirements.html [doc.qt.io]
This did the trick. Thanks for your help!
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