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This application failed to start because it could not find or load the Qt platform plugin "eglfs"



  • I was successfully build make file for my BeagleBone Black board followed by QT-wiki [https://wiki.qt.io/BeagleBone_Black_Beginners_Guide](link url).
    but if i run a basic UI-application on my PC(Ubuntu-19.04) i got an error......

    Starting /opt/untitled/bin/untitled...
    This application failed to start because it could not find or load the Qt platform plugin "eglfs"
    in "".

    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, xcb.

    Reinstalling the application may fix this problem.
    Process killed by signal.

    can any one please tell me how to solve the problem.
    i was tried
    "export QT_QPA_PLATFORM_PLUGIN_PATH=/usr/lib/plugins/platforms "
    and
    export QT_QPA_PLATFORM=eglfs.
    but no use same error occurred on every time.


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