When QT running program is used in Jetson Xavier NX installation, the phenomenon of could not find the QT platform plugin 'xcb' occurs. Solve the problem

CSDN Q & A 2022-01-15 02:43:35

stay Jetson Xavier NX Install and use QT The running program appears Could not find the Qt platform plugin "xcb" The phenomenon , How to solve it , The error code is as follows :

qt.qpa.plugin: Could not find the Qt platform plugin "xcb" in ""Failed to open tty (Permission denied)Device discovery cannot open device "/dev/input/event0"Device discovery cannot open device "/dev/input/event1"Device discovery cannot open device "/dev/input/event2"Device discovery cannot open device "/dev/input/event3"Device discovery cannot open device "/dev/input/event4"Device discovery cannot open device "/dev/input/event5"Device discovery cannot open device "/dev/input/event6"Device discovery cannot open device "/dev/input/event7"Device discovery cannot open device "/dev/input/mice"Device discovery cannot open device "/dev/input/mouse0"Device discovery cannot open device "/dev/input/event0"Device discovery cannot open device "/dev/input/event1"Device discovery cannot open device "/dev/input/event2"Device discovery cannot open device "/dev/input/event3"Device discovery cannot open device "/dev/input/event4"Device discovery cannot open device "/dev/input/event5"Device discovery cannot open device "/dev/input/event6"Device discovery cannot open device "/dev/input/event7"Device discovery cannot open device "/dev/input/mice"Device discovery cannot open device "/dev/input/mouse0"Device discovery cannot open device "/dev/input/event0"Device discovery cannot open device "/dev/input/event1"Device discovery cannot open device "/dev/input/event2"Device discovery cannot open device "/dev/input/event3"Device discovery cannot open device "/dev/input/event4"Device discovery cannot open device "/dev/input/event5"Device discovery cannot open device "/dev/input/event6"Device discovery cannot open device "/dev/input/event7"Device discovery cannot open device "/dev/input/mice"Device discovery cannot open device "/dev/input/mouse0"QWidget::paintEngine: Should no longer be calledQPainter::begin: Paint device returned engine == 0, type: 1QPainter::begin: Paint device returned engine == 0, type: 3QPainter::setCompositionMode: Painter not activeQPainter::begin: Paint device returned engine == 0, type: 3QPainter::setCompositionMode: Painter not activeQWidget::paintEngine: Should no longer be calledQPainter::begin: Paint device returned engine == 0, type: 1QWidget::paintEngine: Should no longer be calledQPainter::begin: Paint device returned engine == 0, type: 1QPainter::setCompositionMode: Painter not activeQPainter::setCompositionMode: Painter not active

thank
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