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Old 06-21-2022, 01:53 PM   #1
NotAMobofCrows
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Linux, can't run Calibre, Qt "xcb" plugin error
Error message:

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.

______

Couldn't find an install or general TS issues forum. Thanks.
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Old 06-21-2022, 02:04 PM   #2
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Edit: Solution:

Run "sudo apt install qt5-default" from Terminal.
Press Y to install.
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Old 06-21-2022, 02:09 PM   #3
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I hate to be redundant but an external search engine can be your best friend.

A search on Google with 'calibre qt.qpa.plugin site:mobileread.com' came up with multiple hits.

See Calibre 5.0.1 Could not load the Qt platform plugin "xcb" FIXED for one example. Kovid's suggestion of installing libxcb-xinerama0 seems to have worked for several people.
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Old 06-21-2022, 02:27 PM   #4
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Quote:
Originally Posted by DNSB View Post
See Calibre 5.0.1 Could not load the Qt platform plugin "xcb" FIXED for one example. Kovid's suggestion of installing libxcb-xinerama0 seems to have worked for several people.
In my case, had to install the whole thing. Still get the same error if I install just the "libxcb-xinerama0" package. Had noticed that thread before, but thanks.
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Old 06-21-2022, 03:15 PM   #5
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Quote:
Originally Posted by NotAMobofCrows View Post
In my case, had to install the whole thing. Still get the same error if I install just the "libxcb-xinerama0" package. Had noticed that thread before, but thanks.
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Old 06-22-2022, 05:56 PM   #6
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A Better Solution
Looking at the listed dependencies at https://github.com/kovidgoyal/calibr...y/sources.json, I removed qt5-default, and installed the listed package and its dependencies "PyQt5." Calibre works, and a little less storage space is taken by Qt5 related packages.
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Old 07-12-2022, 04:36 AM   #7
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python3-pyqt5.
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