error: QXcbConnection: Could not connect to display

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error: QXcbConnection: Could not connect to display

/********************************************************************************* * error: QXcbConnection: Could not connect to display * 说明: * 调试Qt5支持XCB平台模式的时候遇到的错误. * * 2017-11-28 深圳南山平山村曾剑锋 *****************************************************…

问题：QXcbConnection: Could not connect to display

Wkhtmltopdf 失败 (错误代码: -6). 消息: The switch --header-spacing, is not support using unpatched qt, and will be ignored.The switch --header-html, is not support using unpatched qt, and will be ignored.The switch --footer-html, is not support using unpatch…

QXcbConnection: Could not connect to display

import matplotlib; matplotlib.use('agg') 注意:要添加到所有matplotlib前面,否则不起作用…

Linux启动应用（比如jmeter）报An error occurred: Can't connect to X11 window server using ':0.0' as the value of the DISPLAY variable.

Linux启动应用(比如jmeter)报An error occurred: Can't connect to X11 window server using ':0.0' as the value of the DISPLAY variable. 解决方案: 其实很简单,你应用部署在哪个用户下,那么你登录图形化界面的用户必须与其相同如果你部署应用在 *** 用户下面,但是你登录的图形化界面用户是root用户,然后你 su - *** 切换到该用户下是没有用的必须退出该root用户,…