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...
简介:【5月更文挑战第16天】qt.qpa.xcb: could not connect to displayqt.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 probl...
loaded library "/root/anaconda3/envs/mmaction2/lib/python3.7/site-packages/cv2/qt/plugins/platforms/libqxcb.so" 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/plu...
在参考前面那篇文章运行 rosrun turtlesim turtlesim_node 命令时,出现错误: 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....
ubuntu qt.qpa.xcb: could not connect to display 1、问题 2、解决方法,增加如下内容 root@PC1:~/home/test#vim /etc/profile export DISPLAY=:0.0 3、立即生效 root@PC1:/home/test# source /etc/profile 参考:https://blog.csdn.net/liyangbinbin/article/details/108401389...
一时疏忽,直接在xshell远程桌面运行pyqt程序了,报了此错误 (wind_2022) admin-01@admin-01:~/Anaconda3/project_liao_20220523$ (wind_2022) admin-01@admin-01:~/Anaconda3/project_liao_20220523$ python vc_main.py qt.qpa.xcb: could not connect to display qt.qpa.plugin: Could not load the Qt ...
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Steps to reproduce run a python script to show a window: import cv2 cv2.namedWindow('img') k = cv2.waitKey(0) print(k, chr(k)) when run it, will get error: qt.qpa.xcb: could not connect to display :0 qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "/home/xq...
首先，需要确保Genymotion和Android studio已经启动，并且虚拟设备已启动成功。其次，需要将Genymotion的ADB...
qt.qpa.screen: QXcbConnection: Could not connect to display localhost:10.0 这个博客和我遇到了相同的问题: https://youtrack.jetbrains.com/issue/PY-46366 这个博客的内容可以尝试: 远程调试 qt.qpa.xcb: could not connect to display, echo DISPLAY为空[已解决]_功夫小象的博客-程序员秘密 - 程序员秘密...