Python 报错 qt.qpa.plugin Could not load the Qt platform plugin xcb 解决方案
Python 报错 qt.qpa.plugin Could not load the Qt platform plugin xcb 解决方案
使用 Opencv 过程中突然 qt 报错，本文记录解决方案。
错误信息
1234 | qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "/python3.11/site-packages/cv2/qt/plugins" 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: xcb (from /python3.11/site-packages/cv2/qt/plugins), xcb, eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx, webgl. |
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解决方案
问题原理没有弄清楚其实，到现在我都不明白为啥报这个错误
方案一
参考：https://blog.csdn.net/HaoZiHuang/article/details/131262745
在环境变量中添加：
1 | export DISPLAY=:0 |
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可以防止代码报错，但是无法显示图片
方案二
参考：https://github.com/NVlabs/instant-ngp/discussions/300
卸载 opencv-python 改安装 opencv-python-headless
12 | pip uninstall opencv-pythonpip install opencv-python-headless |
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解决了我的问题
参考资料
- https://blog.csdn.net/HaoZiHuang/article/details/131262745
- https://github.com/PaddlePaddle/PaddleOCR/issues/6798
- https://github.com/NVlabs/instant-ngp/discussions/300