Qt库路径问题:确保Qt库路径正确设置。你可以尝试在程序运行前设置LD_LIBRARY_PATH环境变量,指向包含Qt库的路径。例如: exportLD_LIBRARY_PATH=/path/to/your/qt/libs 重新安装Qt:如果以上方法都无效,尝试重新安装Qt,确保安装的是与你的系统兼容的版本。 检查依赖项:确保你的应用程序的所有依赖项都已安装,并且与Qt...
遇到“qt.qpa.xcb: could not connect to display”这个错误时,通常意味着Qt应用程序无法连接到X11显示服务器。这个问题可能由多种原因引起,以下是根据您的提示逐一分析和解决方案: 1. 检查DISPLAY环境变量设置 说明:DISPLAY环境变量指定了Qt应用程序应该连接到哪个显示服务器。 检查方法: 在终端(命令行)中,可以输入...
export DISPLAY=:0.0 export LIBGL_ALWAYS_INDIRECT= export LIBGL_ALWASY_SOFTWARE=1 其中export DISPLAY=:0.0 这一句有问题(也许作者运行时没问题,但我在自己电脑上运行时会报错),这里需要加上自己的WSL的IP地址,查看WSL的IP的方法是打开命令行(cmd),输入ipconfig 会显示: 也就是说,需要写成export DISPLAY=xxx...
qt.qpa.xcb: could not connect to display qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "/root/anaconda3/envs/mmaction2/lib/python3.7/site-packages/cv2/qt/plugins" even though it was found. This application failed to start because no Qt platform plugin could be initialize...
Could not load the Qt platform plugin "xcb" in "" 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: eglfs, linuxfb, minimal, minimalegl, offscreen, ...
qt.qpa.screen: QXcbConnection: Could not connect to display :0 Could not connect to any X display. 没有使用plt.show()或者imshow()之类的操作。在.bashrc中更改DISPLAY:=0也没有办法解决。 解决方案: importmatplotlib matplotlib.use('Agg')# 一定要加在import matplotlib.pyplot as plt前面。importmatpl...
qt.qpa.xcb: could not connect to display qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" 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. ...
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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, eglfs, minimal, minimalegl, offscreen, vnc. Aborted (core dumped) 原因分析 根本报错原因: cv2.imshow 方法需要弹窗,而当前...
1. 首先 vim ~/.bashrc 然后在里面添加 export QT_QPA_PLATFORM='offscreen' 即时生效 source ~/.bashrc 这样就可以额 每次修改.bashrc后,使用source ~/.bashrc(或者 . ~/.bashrc) 就可以立刻加载修改后的设置,使之生效。 一般会在.bash_profile文件中显式调用.bashrc。登陆linux启动bash时首先会 去读取~/...