[Ubuntu 20.04 LTS] qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.

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[Ubuntu 20.04 LTS] qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.

[一日一學, 一日一新] 2022. 5. 28. 08:23

1. 현상

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

2. 해결

Install the xcb dependency (found at https://wiki.qt.io/Building_Qt_5_from_Git )

sudo apt-get install '^libxcb.*-dev' libx11-xcb-dev libglu1-mesa-dev libxrender-dev libxi-dev libxkbcommon-dev libxkbcommon-x11-dev