Could not load the Qt platform plugin “xcb“ in ““ even though it was found.

最新推荐文章于 2025-09-19 17:36:56 发布
原创 最新推荐文章于 2025-09-19 17:36:56 发布 · 1k 阅读 · 2 ·
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本文介绍了解决Ubuntu 16.04系统中Qt无法运行的问题，具体表现为加载xcb平台插件失败。通过安装一系列必要的库文件，最终解决了这一问题。

ubuntu 16.04系统安装qt死活运行不了，提示Could not load the Qt platform plugin "xcb" in "" even though it was found.

最后发现是有些库没有安装

sudo apt-get install "^libxcb.*" libx11-xcb-dev libglu1-mesa-dev libxrender-dev

解决问题

qt.qpa.plugin: Could not load the Qt platform plugin “xcb“ in “/home/.conda/envs/py39/lib/pyth
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报错解释：这个错误表明Qt应用程序试图加载名为"xcb"的平台插件时失败了。xcb是X Window系统的C语言库，它允许客户端程序通过X Window系统与X服务器通信。Qt使用这个插件来在X Window系统上绘制图形用户界面。问题可能是因为：xcb插件不在指定的目录中。环境变量没有正确设置，导致Qt无法找到插件。插件可能因为缺少依赖或者是不兼容的版本而无法加载。解决方法：确认xcb插件是否存在于指定的目录中。如果不存在，可能需要安装或重新安装Qt。
解决qt.qpa.plugin: Could not load the Qt platform plugin “xcb“ in ““ even though it was found.
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