[chimerax-users] Error in ChimeraX application installation linux ubuntu

[Vanessa Roy]

Hi Tom,

Thank you for your email.

Unfortunately, that doesn't work for us either, please see below:

"libxcb-xinerama0" is already installed on our server, but unfortunately
the error still exists.

see below:

*~# apt list --installed | grep libxcb-xinerama0*

*WARNING: apt does not have a stable CLI interface. Use with caution in
scripts.*


*libxcb-xinerama0/focal,now 1.14-2 amd64 [installed]*
*~# /home/apps/chimerax-1.2.5-rc-2021.05.24/bin/ChimeraX*
*X11 connection rejected because of wrong authentication.*
*qt.qpa.xcb: could not connect to display localhost:10.0*
*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, linuxfb, minimal, minimalegl,
offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl,
wayland-xcomposite-glx, xcb.*

*Fatal Python error: Aborted*

*Current thread 0x00007f020c8a9740 (most recent call first):*
*  File
"/home/apps/chimerax-1.2.5-rc-2021.05.24/lib/python3.8/site-packages/chimerax/ui/gui.py",
line 157 in __init__*
*  File
"/home/apps/chimerax-1.2.5-rc-2021.05.24/lib/python3.8/site-packages/ChimeraX_main.py",
line 577 in init*
*  File
"/home/apps/chimerax-1.2.5-rc-2021.05.24/lib/python3.8/site-packages/ChimeraX_main.py",
line 1015 in <module>*
*  File "/home/apps/chimerax-1.2.5-rc-2021.05.24/lib/python3.8/runpy.py",
line 87 in _run_code*
*  File "/home/apps/chimerax-1.2.5-rc-2021.05.24/lib/python3.8/runpy.py",
line 194 in _run_module_as_main*
*Aborted (core dumped)*


Could you help us resolve this issue?

Many thanks!

Best,
Vanessa


On Tue, Aug 3, 2021 at 8:11 PM Tom Goddard <goddard at sonic.net> wrote:

> This problem where ChimeraX won't start on Linux and complains about Qt
> plugin xcb was discussed a few months ago
>
> https://www.rbvi.ucsf.edu/pipermail/chimerax-users/2021-June/002339.html
>
> Apparently it means that the Linux system is missing a needed library.
> And the above discussion says ChimeraX 1.2.5.1 on Linux fixed the problem.
>
> Tom
>
>
> On Aug 2, 2021, at 12:11 PM, Elaine Meng via ChimeraX-users <
> chimerax-users at cgl.ucsf.edu> wrote:
>
> Hi Vanessa,
> Please send ChimeraX questions to chimerax-users at cgl.ucsf.edu (CC'd here,
> so no need to do anything this time).
>
> Since I don't know the answer, I kept waiting for somebody else to answer
> your question... and didn't notice until now that you had sent it to only
> me.
>
> Thanks,
> Elaine
> -----
> Elaine C. Meng, Ph.D.
> UCSF Chimera(X) team
> Department of Pharmaceutical Chemistry
> University of California, San Francisco
>
> On Aug 1, 2021, at 1:51 AM, Vanessa Roy <vanessaroy at mail.tau.ac.il> wrote:
>
> Dear ChimeraX development team,
>
> We encountered issues while installing ChimeraX on our server and wanted
> to ask whether you could help us understand what the problem is? We haven't
> yet found a solution to our problem.
> Here is the output after installation:
>
> # /home/apps/chimerax-1.2.5-rc-2021.05.24/bin/ChimeraX
> X11 connection rejected because of wrong authentication.
> qt.qpa.xcb: could not connect to display localhost:10.0
> 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, linuxfb, minimal, minimalegl,
> offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl,
> wayland-xcomposite-glx, xcb.
>
> Fatal Python error: Aborted
>
> Current thread 0x00007f479c05d740 (most recent call first):
>  File
> "/home/apps/chimerax-1.1/lib/python3.7/site-packages/chimerax/ui/gui.py",
> line 119 in __init__
>  File
> "/home/apps/chimerax-1.1/lib/python3.7/site-packages/ChimeraX_main.py",
> line 500 in init
>  File
> "/home/apps/chimerax-1.1/lib/python3.7/site-packages/ChimeraX_main.py",
> line 919 in <module>
>  File "/home/apps/chimerax-1.1/lib/python3.7/runpy.py", line 85 in
> _run_code
>  File "/home/apps/chimerax-1.1/lib/python3.7/runpy.py", line 193 in
> _run_module_as_main
> Aborted (core dumped)
>
> We would greatly appreciate your advice on how to solve this issue.
>
> Many thanks for your help!
>
> Best,
> Vanessa
> --
> Vanessa Roy
> Gil Ast Lab
> Department of Human Molecular Genetics and Biochemistry
> Sackler Faculty of Medicine | Tel Aviv University
>
>
>
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