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求助大神:qt.qpa.plugin: Could not find the Qt platform plugin "xcb" in ""



  • cartopgrapher 运行demo时
    roslaunch cartographer_ros offline_backpack_2d.launch bag_filenames:=${HOME}/Desktop/cartographer_paper_deutsches_museum.bag
    报错:
    qt.qpa.plugin: Could not find the Qt platform plugin “xcb” in “”
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.