[Ubuntu 20.04 LTS] qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
2022. 5. 28.
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