Re: [Freesurfer] no Qt platform plugin could be initialized

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I managed to get the GUI start but I get the following error in the background:

[cid:image001.png@01DB7098.7F9AC170]

Do you have suggestions?

Thanks!

From: fsbuild fsbuild@contbay.com Sent: Thursday, January 23, 2025 10:57 PM To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] no Qt platform plugin could be initialized

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Please let us know which freeeusfer release you installed using the CentOS8 RPM file, e.g., as downloaded from https://secure-web.cisco.com/1tuIxFNnHofiN_8ncwd10Sz7zzoBLZMqRJSuyF4YWk66tBf... If you used the CentOS8 rpm installer for freesurfer 7.4.1 or an earlier release, then you will be using the Qt libraries included in the freesurfer distribution (and not what is installed on the system).

If you installed the latest CentOS8 rpm package made from the development build as found under, https://secure-web.cisco.com/1uiHTO45kS7Cz867kC_ED7RyqqtO45QCH11y7ZzHihtz3Ft...

then I think it will install whatever Qt packages are needed for use on the system. You should not need to set the QT_QPA_PLATFORM_PLUGIN_PATH environment variable.

- R.

On Jan 23, 2025, at 22:12, Shakour Abuzneid <Shakour.Abuzneid@jefferson.edumailto:Shakour.Abuzneid@jefferson.edu> wrote:

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I have installed freesurfer on RHEL8. When I try to run the freeview, I get the following error:

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, linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx, webgl, xcb.

Aborted (core dumped)

Any idea how to fix this?

I have done the following:

1. export QT_QPA_PLATFORM_PLUGIN_PATH=$FREESURFER_HOME/lib/qt/plugins 2. sudo yum install qt5-qtbase qt5-qtbase-devel

Thanks!

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