【解决】qt.qpa.plugin Could not load the Qt platform plugin “xcb“CSDN博客

Qt Qpa Plugin Could Not Find The Qt Platform Plugin Wayland In. qt.qpa.plugin Could not find the Qt platform plugin “dxcb“ in ““CSDN博客 When this plugin is not installed or is not enabled, Qt applications will not be able to run on Wayland-based systems. I was getting qt.qpa.plugin: Could not find the Qt platform plugin "wayland" in "" while installing Davinci Resolve on Arch, Hyprland

The Qt platform plugin for Wayland is a software component that allows Qt applications to run on Wayland-based systems This application failed to start because no Qt platform plugin could be initialized

qt.qpa.plugin Could not find the Qt platform plugin “windows“ in ““CSDN博客

The Qt platform plugin for Wayland is a software component that allows Qt applications to run on Wayland-based systems I don't know how to set QT_QPA_PLATFORM="xcb", what it does exactly and/or if there's any other way to launch dropbox Failed to create wl_display (No such file or directory) qt.qpa.plugin: Could not load the Qt platform plugin "wayland" in "" even though it was found

Wayland and Qt Qt 6.7. 一般出现qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in问题，主要是安装pyqt5后，缺少一些链接库，通过以下方法定位到缺少哪个链接库 在环境中 export QT_DEBUG_PLUGINS=1 执行出现该问题到程序，便可以定位到缺失的链接库。在ubuntu系统中一般是libxcb-xinerama.so.0，通过sudo apt-get install libxcb-xinerama0 在centos. I had qt5, qt6, qt5-wayland and qt6-wayland installed and reintalled wayland api's.

[matplot]qt.qpa.plugin Could not load the Qt platform plugin “xcb“ in ““ even though it was. qt.qpa.xcb: could not connect to display :0 qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found Failed to create wl_display (No such file or directory) qt.qpa.plugin: Could not load the Qt platform plugin "wayland" in "" even though it was found