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I can't open qtcreator in ubuntu

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  • M Offline
    M Offline
    marbor
    wrote on last edited by
    #7

    oh, sorry
    from terminal
    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. Reinstalling the application may fix this problem.

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

    Aborted (memory dump)

    K 1 Reply Last reply
    1
    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #8

      Start Qt Creator with the QT_DEBUG_PLUGINS environment variable set to 1. It will tell you what made the loading failed.

      Interested in AI ? www.idiap.ch
      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

      1 Reply Last reply
      2
      • M Offline
        M Offline
        marbor
        wrote on last edited by
        #9

        ok, but how can i do that? In trminal?

        JonBJ 1 Reply Last reply
        0
        • M marbor

          ok, but how can i do that? In trminal?

          JonBJ Offline
          JonBJ Offline
          JonB
          wrote on last edited by
          #10

          @marbor
          Yes.

          export QT_DEBUG_PLUGINS=1
          ./name_of_executable
          
          1 Reply Last reply
          3
          • M Offline
            M Offline
            marbor
            wrote on last edited by
            #11

            thx you all, now works

            1 Reply Last reply
            0
            • SGaistS Offline
              SGaistS Offline
              SGaist
              Lifetime Qt Champion
              wrote on last edited by
              #12

              What did you have to modify ?

              Interested in AI ? www.idiap.ch
              Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

              raz0229R A 2 Replies Last reply
              1
              • SGaistS SGaist

                What did you have to modify ?

                raz0229R Offline
                raz0229R Offline
                raz0229
                wrote on last edited by
                #13

                @SGaist Had the same issue. Turns out the downloaded files were either incomplete or corrupted (Idk how). Just reinstalled

                1 Reply Last reply
                1
                • SGaistS SGaist

                  What did you have to modify ?

                  A Offline
                  A Offline
                  aaron2020
                  wrote on last edited by
                  #14

                  @SGaist same problem but I still can't solve it after reading your posts. 😢

                  SGaistS 1 Reply Last reply
                  0
                  • A aaron2020

                    @SGaist same problem but I still can't solve it after reading your posts. 😢

                    SGaistS Offline
                    SGaistS Offline
                    SGaist
                    Lifetime Qt Champion
                    wrote on last edited by
                    #15

                    @aaron2020 hi and welcome to devnet,

                    What exactly did you do ?
                    What exactly did you install ?

                    Interested in AI ? www.idiap.ch
                    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                    C 1 Reply Last reply
                    1
                    • L Offline
                      L Offline
                      Leon Abascal
                      wrote on last edited by
                      #16

                      I experienced the same issue. In the last step, the plugin debug warned me that libxcb-xinerama0 was missing and sudo apt-get install --reinstall libxcb-xinerama0 fixed it.
                      Hope it helps, cheers.

                      S S 2 Replies Last reply
                      4
                      • SGaistS SGaist

                        @aaron2020 hi and welcome to devnet,

                        What exactly did you do ?
                        What exactly did you install ?

                        C Offline
                        C Offline
                        CEmori
                        wrote on last edited by
                        #17

                        @SGaist Hey, I'm getting the same problem as OP

                        "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. Reinstalling the application may fix this problem.

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

                        Aborted (memory dump)"

                        changing the QT_DEBUG_PLUGINS variable did not change it. I reinstalled it aswell.

                        1 Reply Last reply
                        0
                        • SGaistS Offline
                          SGaistS Offline
                          SGaist
                          Lifetime Qt Champion
                          wrote on last edited by
                          #18

                          Hi and welcome to devnet,

                          This environment variable triggers debugging output on the console so you get more information about what is failing.

                          Did you install the libraries @Leon-Abascal suggested ?

                          Interested in AI ? www.idiap.ch
                          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                          C 1 Reply Last reply
                          0
                          • SGaistS SGaist

                            Hi and welcome to devnet,

                            This environment variable triggers debugging output on the console so you get more information about what is failing.

                            Did you install the libraries @Leon-Abascal suggested ?

                            C Offline
                            C Offline
                            CEmori
                            wrote on last edited by
                            #19

                            @SGaist installing the missing libraries helped! Thanks a lot.

                            1 Reply Last reply
                            0
                            • L Leon Abascal

                              I experienced the same issue. In the last step, the plugin debug warned me that libxcb-xinerama0 was missing and sudo apt-get install --reinstall libxcb-xinerama0 fixed it.
                              Hope it helps, cheers.

                              S Offline
                              S Offline
                              spara7c5
                              wrote on last edited by
                              #20

                              @Leon-Abascal you save my life! Same problem and same working solution! (ubuntu 21.04 in virtualbox)

                              1 Reply Last reply
                              0
                              • M marbor

                                oh, sorry
                                from terminal
                                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. Reinstalling the application may fix this problem.

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

                                Aborted (memory dump)

                                K Offline
                                K Offline
                                KUMAR13
                                wrote on last edited by
                                #21

                                @marbor :
                                export QT_DEBUG_PLUGINS=1
                                ./qtcreator
                                show error: Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqxcb.so" : "Cannot load library
                                installed : sudo apt-get install --reinstall libxcb-xinerama0
                                this worked for me.
                                after installation: go for this command ./qtcreator

                                HeerokNewbieH ma lingfengM N J 4 Replies Last reply
                                2
                                • F Offline
                                  F Offline
                                  f0rg3
                                  wrote on last edited by
                                  #22

                                  So I've done a number of things to try to correct this issue. Firstly, I'm on Debian 10. I installed Qt in a directory like this: /home/kevin/Applications/Qt

                                  I've already tried reinstalling libxcb-xinerama0 as well as uninstalling and reinstalling Qt.
                                  Here is the debug output:

                                  ./qtcreator
                                  QFactoryLoader::QFactoryLoader() checking directory path "/home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms" ...
                                  QFactoryLoader::QFactoryLoader() looking at "/home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqeglfs.so"
                                  Found metadata in lib /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqeglfs.so, metadata=
                                  {
                                      "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
                                      "MetaData": {
                                          "Keys": [
                                              "eglfs"
                                          ]
                                      },
                                      "archreq": 0,
                                      "className": "QEglFSIntegrationPlugin",
                                      "debug": false,
                                      "version": 331520
                                  }
                                  
                                  
                                  Got keys from plugin meta data ("eglfs")
                                  QFactoryLoader::QFactoryLoader() looking at "/home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqlinuxfb.so"
                                  Found metadata in lib /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqlinuxfb.so, metadata=
                                  {
                                      "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
                                      "MetaData": {
                                          "Keys": [
                                              "linuxfb"
                                          ]
                                      },
                                      "archreq": 0,
                                      "className": "QLinuxFbIntegrationPlugin",
                                      "debug": false,
                                      "version": 331520
                                  }
                                  
                                  
                                  Got keys from plugin meta data ("linuxfb")
                                  QFactoryLoader::QFactoryLoader() looking at "/home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqminimal.so"
                                  Found metadata in lib /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqminimal.so, metadata=
                                  {
                                      "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
                                      "MetaData": {
                                          "Keys": [
                                              "minimal"
                                          ]
                                      },
                                      "archreq": 0,
                                      "className": "QMinimalIntegrationPlugin",
                                      "debug": false,
                                      "version": 331520
                                  }
                                  
                                  
                                  Got keys from plugin meta data ("minimal")
                                  QFactoryLoader::QFactoryLoader() looking at "/home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqminimalegl.so"
                                  Found metadata in lib /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqminimalegl.so, metadata=
                                  {
                                      "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
                                      "MetaData": {
                                          "Keys": [
                                              "minimalegl"
                                          ]
                                      },
                                      "archreq": 0,
                                      "className": "QMinimalEglIntegrationPlugin",
                                      "debug": false,
                                      "version": 331520
                                  }
                                  
                                  
                                  Got keys from plugin meta data ("minimalegl")
                                  QFactoryLoader::QFactoryLoader() looking at "/home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqoffscreen.so"
                                  Found metadata in lib /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqoffscreen.so, metadata=
                                  {
                                      "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
                                      "MetaData": {
                                          "Keys": [
                                              "offscreen"
                                          ]
                                      },
                                      "archreq": 0,
                                      "className": "QOffscreenIntegrationPlugin",
                                      "debug": false,
                                      "version": 331520
                                  }
                                  
                                  
                                  Got keys from plugin meta data ("offscreen")
                                  QFactoryLoader::QFactoryLoader() looking at "/home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqvnc.so"
                                  Found metadata in lib /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqvnc.so, metadata=
                                  {
                                      "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
                                      "MetaData": {
                                          "Keys": [
                                              "vnc"
                                          ]
                                      },
                                      "archreq": 0,
                                      "className": "QVncIntegrationPlugin",
                                      "debug": false,
                                      "version": 331520
                                  }
                                  
                                  
                                  Got keys from plugin meta data ("vnc")
                                  QFactoryLoader::QFactoryLoader() looking at "/home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqxcb.so"
                                  Found metadata in lib /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqxcb.so, metadata=
                                  {
                                      "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
                                      "MetaData": {
                                          "Keys": [
                                              "xcb"
                                          ]
                                      },
                                      "archreq": 0,
                                      "className": "QXcbIntegrationPlugin",
                                      "debug": false,
                                      "version": 331520
                                  }
                                  
                                  
                                  Got keys from plugin meta data ("xcb")
                                  QFactoryLoader::QFactoryLoader() checking directory path "/home/kevin/Applications/Qt/Tools/QtCreator/bin/platforms" ...
                                  Cannot load library /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqxcb.so: (libxcb-util.so.1: cannot open shared object file: No such file or directory)
                                  QLibraryPrivate::loadPlugin failed on "/home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqxcb.so" : "Cannot load library /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqxcb.so: (libxcb-util.so.1: cannot open shared object file: No such file or directory)"
                                  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. Reinstalling the application may fix this problem.
                                  
                                  Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
                                  
                                  Aborted
                                  

                                  As reccomended by @hskoglund in qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.:

                                  Hi, try: ldd /usr/lib/qt/plugins/platforms/libqxcb.so

                                  The output of

                                  ldd /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqxcb.so
                                  

                                  is

                                  	linux-vdso.so.1 (0x00007fff96d31000)
                                  	libQt5XcbQpa.so.5 => /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/../../lib/libQt5XcbQpa.so.5 (0x00007f5121d3a000)
                                  	libfontconfig.so.1 => /lib/x86_64-linux-gnu/libfontconfig.so.1 (0x00007f5121cde000)
                                  	libfreetype.so.6 => /lib/x86_64-linux-gnu/libfreetype.so.6 (0x00007f5121c22000)
                                  	libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007f5121a04000)
                                  	libQt5Gui.so.5 => /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/../../lib/libQt5Gui.so.5 (0x00007f51210d3000)
                                  	libQt5DBus.so.5 => /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/../../lib/libQt5DBus.so.5 (0x00007f5120e45000)
                                  	libQt5Core.so.5 => /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/../../lib/libQt5Core.so.5 (0x00007f512064f000)
                                  	libGL.so.1 => /lib/x86_64-linux-gnu/libGL.so.1 (0x00007f51205bb000)
                                  	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f512059a000)
                                  	libX11-xcb.so.1 => /lib/x86_64-linux-gnu/libX11-xcb.so.1 (0x00007f5120595000)
                                  	libxcb-icccm.so.4 => /lib/x86_64-linux-gnu/libxcb-icccm.so.4 (0x00007f512058e000)
                                  	libxcb-image.so.0 => /lib/x86_64-linux-gnu/libxcb-image.so.0 (0x00007f5120389000)
                                  	libxcb-shm.so.0 => /lib/x86_64-linux-gnu/libxcb-shm.so.0 (0x00007f5120382000)
                                  	libxcb-util.so.1 => not found
                                  	libxcb-keysyms.so.1 => /lib/x86_64-linux-gnu/libxcb-keysyms.so.1 (0x00007f512017f000)
                                  	libxcb-randr.so.0 => /lib/x86_64-linux-gnu/libxcb-randr.so.0 (0x00007f512016d000)
                                  	libxcb-render-util.so.0 => /lib/x86_64-linux-gnu/libxcb-render-util.so.0 (0x00007f511ff69000)
                                  	libxcb-render.so.0 => /lib/x86_64-linux-gnu/libxcb-render.so.0 (0x00007f511ff5a000)
                                  	libxcb-shape.so.0 => /lib/x86_64-linux-gnu/libxcb-shape.so.0 (0x00007f511ff53000)
                                  	libxcb-sync.so.1 => /lib/x86_64-linux-gnu/libxcb-sync.so.1 (0x00007f511ff49000)
                                  	libxcb-xfixes.so.0 => /lib/x86_64-linux-gnu/libxcb-xfixes.so.0 (0x00007f511ff3f000)
                                  	libxcb-xinerama.so.0 => /lib/x86_64-linux-gnu/libxcb-xinerama.so.0 (0x00007f511ff3a000)
                                  	libxcb-xkb.so.1 => /lib/x86_64-linux-gnu/libxcb-xkb.so.1 (0x00007f511ff1c000)
                                  	libxcb.so.1 => /lib/x86_64-linux-gnu/libxcb.so.1 (0x00007f511fef2000)
                                  	libXext.so.6 => /lib/x86_64-linux-gnu/libXext.so.6 (0x00007f511fcde000)
                                  	libX11.so.6 => /lib/x86_64-linux-gnu/libX11.so.6 (0x00007f511fb9d000)
                                  	libxkbcommon-x11.so.0 => /lib/x86_64-linux-gnu/libxkbcommon-x11.so.0 (0x00007f511fb92000)
                                  	libxkbcommon.so.0 => /lib/x86_64-linux-gnu/libxkbcommon.so.0 (0x00007f511fb50000)
                                  	libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f511fb4b000)
                                  	libstdc++.so.6 => /lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f511f9c7000)
                                  	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f511f842000)
                                  	libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f511f828000)
                                  	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f511f667000)
                                  	libxcb-util.so.1 => not found
                                  	libgthread-2.0.so.0 => /lib/x86_64-linux-gnu/libgthread-2.0.so.0 (0x00007f511f662000)
                                  	libglib-2.0.so.0 => /lib/x86_64-linux-gnu/libglib-2.0.so.0 (0x00007f511f543000)
                                  	libexpat.so.1 => /lib/x86_64-linux-gnu/libexpat.so.1 (0x00007f511f504000)
                                  	libuuid.so.1 => /lib/x86_64-linux-gnu/libuuid.so.1 (0x00007f511f4fb000)
                                  	libpng16.so.16 => /lib/x86_64-linux-gnu/libpng16.so.16 (0x00007f511f4c2000)
                                  	libdbus-1.so.3 => /lib/x86_64-linux-gnu/libdbus-1.so.3 (0x00007f511f46f000)
                                  	libicui18n.so.56 => /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/../../lib/libicui18n.so.56 (0x00007f511efd6000)
                                  	libicuuc.so.56 => /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/../../lib/libicuuc.so.56 (0x00007f511ec1c000)
                                  	libicudata.so.56 => /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/../../lib/libicudata.so.56 (0x00007f511d239000)
                                  	/lib64/ld-linux-x86-64.so.2 (0x00007f5122299000)
                                  	libGLX.so.0 => /lib/x86_64-linux-gnu/libGLX.so.0 (0x00007f511d205000)
                                  	libGLdispatch.so.0 => /lib/x86_64-linux-gnu/libGLdispatch.so.0 (0x00007f511d148000)
                                  	libxcb-util.so.0 => /lib/x86_64-linux-gnu/libxcb-util.so.0 (0x00007f511cf41000)
                                  	libXau.so.6 => /lib/x86_64-linux-gnu/libXau.so.6 (0x00007f511cd3b000)
                                  	libXdmcp.so.6 => /lib/x86_64-linux-gnu/libXdmcp.so.6 (0x00007f511cb35000)
                                  	libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3 (0x00007f511cac1000)
                                  	libsystemd.so.0 => /lib/x86_64-linux-gnu/libsystemd.so.0 (0x00007f511ca20000)
                                  	libbsd.so.0 => /lib/x86_64-linux-gnu/libbsd.so.0 (0x00007f511ca06000)
                                  	librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f511c9fa000)
                                  	liblzma.so.5 => /lib/x86_64-linux-gnu/liblzma.so.5 (0x00007f511c9d2000)
                                  	liblz4.so.1 => /lib/x86_64-linux-gnu/liblz4.so.1 (0x00007f511c9b3000)
                                  	libgcrypt.so.20 => /lib/x86_64-linux-gnu/libgcrypt.so.20 (0x00007f511c895000)
                                  	libgpg-error.so.0 => /lib/x86_64-linux-gnu/libgpg-error.so.0 (0x00007f511c872000)
                                  

                                  Any and all help is greatly appreciated, thanks for your time.

                                  jsulmJ 1 Reply Last reply
                                  0
                                  • F f0rg3

                                    So I've done a number of things to try to correct this issue. Firstly, I'm on Debian 10. I installed Qt in a directory like this: /home/kevin/Applications/Qt

                                    I've already tried reinstalling libxcb-xinerama0 as well as uninstalling and reinstalling Qt.
                                    Here is the debug output:

                                    ./qtcreator
                                    QFactoryLoader::QFactoryLoader() checking directory path "/home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms" ...
                                    QFactoryLoader::QFactoryLoader() looking at "/home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqeglfs.so"
                                    Found metadata in lib /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqeglfs.so, metadata=
                                    {
                                        "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
                                        "MetaData": {
                                            "Keys": [
                                                "eglfs"
                                            ]
                                        },
                                        "archreq": 0,
                                        "className": "QEglFSIntegrationPlugin",
                                        "debug": false,
                                        "version": 331520
                                    }
                                    
                                    
                                    Got keys from plugin meta data ("eglfs")
                                    QFactoryLoader::QFactoryLoader() looking at "/home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqlinuxfb.so"
                                    Found metadata in lib /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqlinuxfb.so, metadata=
                                    {
                                        "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
                                        "MetaData": {
                                            "Keys": [
                                                "linuxfb"
                                            ]
                                        },
                                        "archreq": 0,
                                        "className": "QLinuxFbIntegrationPlugin",
                                        "debug": false,
                                        "version": 331520
                                    }
                                    
                                    
                                    Got keys from plugin meta data ("linuxfb")
                                    QFactoryLoader::QFactoryLoader() looking at "/home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqminimal.so"
                                    Found metadata in lib /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqminimal.so, metadata=
                                    {
                                        "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
                                        "MetaData": {
                                            "Keys": [
                                                "minimal"
                                            ]
                                        },
                                        "archreq": 0,
                                        "className": "QMinimalIntegrationPlugin",
                                        "debug": false,
                                        "version": 331520
                                    }
                                    
                                    
                                    Got keys from plugin meta data ("minimal")
                                    QFactoryLoader::QFactoryLoader() looking at "/home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqminimalegl.so"
                                    Found metadata in lib /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqminimalegl.so, metadata=
                                    {
                                        "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
                                        "MetaData": {
                                            "Keys": [
                                                "minimalegl"
                                            ]
                                        },
                                        "archreq": 0,
                                        "className": "QMinimalEglIntegrationPlugin",
                                        "debug": false,
                                        "version": 331520
                                    }
                                    
                                    
                                    Got keys from plugin meta data ("minimalegl")
                                    QFactoryLoader::QFactoryLoader() looking at "/home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqoffscreen.so"
                                    Found metadata in lib /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqoffscreen.so, metadata=
                                    {
                                        "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
                                        "MetaData": {
                                            "Keys": [
                                                "offscreen"
                                            ]
                                        },
                                        "archreq": 0,
                                        "className": "QOffscreenIntegrationPlugin",
                                        "debug": false,
                                        "version": 331520
                                    }
                                    
                                    
                                    Got keys from plugin meta data ("offscreen")
                                    QFactoryLoader::QFactoryLoader() looking at "/home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqvnc.so"
                                    Found metadata in lib /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqvnc.so, metadata=
                                    {
                                        "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
                                        "MetaData": {
                                            "Keys": [
                                                "vnc"
                                            ]
                                        },
                                        "archreq": 0,
                                        "className": "QVncIntegrationPlugin",
                                        "debug": false,
                                        "version": 331520
                                    }
                                    
                                    
                                    Got keys from plugin meta data ("vnc")
                                    QFactoryLoader::QFactoryLoader() looking at "/home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqxcb.so"
                                    Found metadata in lib /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqxcb.so, metadata=
                                    {
                                        "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
                                        "MetaData": {
                                            "Keys": [
                                                "xcb"
                                            ]
                                        },
                                        "archreq": 0,
                                        "className": "QXcbIntegrationPlugin",
                                        "debug": false,
                                        "version": 331520
                                    }
                                    
                                    
                                    Got keys from plugin meta data ("xcb")
                                    QFactoryLoader::QFactoryLoader() checking directory path "/home/kevin/Applications/Qt/Tools/QtCreator/bin/platforms" ...
                                    Cannot load library /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqxcb.so: (libxcb-util.so.1: cannot open shared object file: No such file or directory)
                                    QLibraryPrivate::loadPlugin failed on "/home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqxcb.so" : "Cannot load library /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqxcb.so: (libxcb-util.so.1: cannot open shared object file: No such file or directory)"
                                    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. Reinstalling the application may fix this problem.
                                    
                                    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
                                    
                                    Aborted
                                    

                                    As reccomended by @hskoglund in qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.:

                                    Hi, try: ldd /usr/lib/qt/plugins/platforms/libqxcb.so

                                    The output of

                                    ldd /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqxcb.so
                                    

                                    is

                                    	linux-vdso.so.1 (0x00007fff96d31000)
                                    	libQt5XcbQpa.so.5 => /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/../../lib/libQt5XcbQpa.so.5 (0x00007f5121d3a000)
                                    	libfontconfig.so.1 => /lib/x86_64-linux-gnu/libfontconfig.so.1 (0x00007f5121cde000)
                                    	libfreetype.so.6 => /lib/x86_64-linux-gnu/libfreetype.so.6 (0x00007f5121c22000)
                                    	libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007f5121a04000)
                                    	libQt5Gui.so.5 => /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/../../lib/libQt5Gui.so.5 (0x00007f51210d3000)
                                    	libQt5DBus.so.5 => /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/../../lib/libQt5DBus.so.5 (0x00007f5120e45000)
                                    	libQt5Core.so.5 => /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/../../lib/libQt5Core.so.5 (0x00007f512064f000)
                                    	libGL.so.1 => /lib/x86_64-linux-gnu/libGL.so.1 (0x00007f51205bb000)
                                    	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f512059a000)
                                    	libX11-xcb.so.1 => /lib/x86_64-linux-gnu/libX11-xcb.so.1 (0x00007f5120595000)
                                    	libxcb-icccm.so.4 => /lib/x86_64-linux-gnu/libxcb-icccm.so.4 (0x00007f512058e000)
                                    	libxcb-image.so.0 => /lib/x86_64-linux-gnu/libxcb-image.so.0 (0x00007f5120389000)
                                    	libxcb-shm.so.0 => /lib/x86_64-linux-gnu/libxcb-shm.so.0 (0x00007f5120382000)
                                    	libxcb-util.so.1 => not found
                                    	libxcb-keysyms.so.1 => /lib/x86_64-linux-gnu/libxcb-keysyms.so.1 (0x00007f512017f000)
                                    	libxcb-randr.so.0 => /lib/x86_64-linux-gnu/libxcb-randr.so.0 (0x00007f512016d000)
                                    	libxcb-render-util.so.0 => /lib/x86_64-linux-gnu/libxcb-render-util.so.0 (0x00007f511ff69000)
                                    	libxcb-render.so.0 => /lib/x86_64-linux-gnu/libxcb-render.so.0 (0x00007f511ff5a000)
                                    	libxcb-shape.so.0 => /lib/x86_64-linux-gnu/libxcb-shape.so.0 (0x00007f511ff53000)
                                    	libxcb-sync.so.1 => /lib/x86_64-linux-gnu/libxcb-sync.so.1 (0x00007f511ff49000)
                                    	libxcb-xfixes.so.0 => /lib/x86_64-linux-gnu/libxcb-xfixes.so.0 (0x00007f511ff3f000)
                                    	libxcb-xinerama.so.0 => /lib/x86_64-linux-gnu/libxcb-xinerama.so.0 (0x00007f511ff3a000)
                                    	libxcb-xkb.so.1 => /lib/x86_64-linux-gnu/libxcb-xkb.so.1 (0x00007f511ff1c000)
                                    	libxcb.so.1 => /lib/x86_64-linux-gnu/libxcb.so.1 (0x00007f511fef2000)
                                    	libXext.so.6 => /lib/x86_64-linux-gnu/libXext.so.6 (0x00007f511fcde000)
                                    	libX11.so.6 => /lib/x86_64-linux-gnu/libX11.so.6 (0x00007f511fb9d000)
                                    	libxkbcommon-x11.so.0 => /lib/x86_64-linux-gnu/libxkbcommon-x11.so.0 (0x00007f511fb92000)
                                    	libxkbcommon.so.0 => /lib/x86_64-linux-gnu/libxkbcommon.so.0 (0x00007f511fb50000)
                                    	libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f511fb4b000)
                                    	libstdc++.so.6 => /lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f511f9c7000)
                                    	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f511f842000)
                                    	libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f511f828000)
                                    	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f511f667000)
                                    	libxcb-util.so.1 => not found
                                    	libgthread-2.0.so.0 => /lib/x86_64-linux-gnu/libgthread-2.0.so.0 (0x00007f511f662000)
                                    	libglib-2.0.so.0 => /lib/x86_64-linux-gnu/libglib-2.0.so.0 (0x00007f511f543000)
                                    	libexpat.so.1 => /lib/x86_64-linux-gnu/libexpat.so.1 (0x00007f511f504000)
                                    	libuuid.so.1 => /lib/x86_64-linux-gnu/libuuid.so.1 (0x00007f511f4fb000)
                                    	libpng16.so.16 => /lib/x86_64-linux-gnu/libpng16.so.16 (0x00007f511f4c2000)
                                    	libdbus-1.so.3 => /lib/x86_64-linux-gnu/libdbus-1.so.3 (0x00007f511f46f000)
                                    	libicui18n.so.56 => /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/../../lib/libicui18n.so.56 (0x00007f511efd6000)
                                    	libicuuc.so.56 => /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/../../lib/libicuuc.so.56 (0x00007f511ec1c000)
                                    	libicudata.so.56 => /home/kevin/Applications/Qt/Tools/QtCreator/lib/Qt/plugins/platforms/../../lib/libicudata.so.56 (0x00007f511d239000)
                                    	/lib64/ld-linux-x86-64.so.2 (0x00007f5122299000)
                                    	libGLX.so.0 => /lib/x86_64-linux-gnu/libGLX.so.0 (0x00007f511d205000)
                                    	libGLdispatch.so.0 => /lib/x86_64-linux-gnu/libGLdispatch.so.0 (0x00007f511d148000)
                                    	libxcb-util.so.0 => /lib/x86_64-linux-gnu/libxcb-util.so.0 (0x00007f511cf41000)
                                    	libXau.so.6 => /lib/x86_64-linux-gnu/libXau.so.6 (0x00007f511cd3b000)
                                    	libXdmcp.so.6 => /lib/x86_64-linux-gnu/libXdmcp.so.6 (0x00007f511cb35000)
                                    	libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3 (0x00007f511cac1000)
                                    	libsystemd.so.0 => /lib/x86_64-linux-gnu/libsystemd.so.0 (0x00007f511ca20000)
                                    	libbsd.so.0 => /lib/x86_64-linux-gnu/libbsd.so.0 (0x00007f511ca06000)
                                    	librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f511c9fa000)
                                    	liblzma.so.5 => /lib/x86_64-linux-gnu/liblzma.so.5 (0x00007f511c9d2000)
                                    	liblz4.so.1 => /lib/x86_64-linux-gnu/liblz4.so.1 (0x00007f511c9b3000)
                                    	libgcrypt.so.20 => /lib/x86_64-linux-gnu/libgcrypt.so.20 (0x00007f511c895000)
                                    	libgpg-error.so.0 => /lib/x86_64-linux-gnu/libgpg-error.so.0 (0x00007f511c872000)
                                    

                                    Any and all help is greatly appreciated, thanks for your time.

                                    jsulmJ Offline
                                    jsulmJ Offline
                                    jsulm
                                    Lifetime Qt Champion
                                    wrote on last edited by
                                    #23

                                    @f0rg3 said in I can't open qtcreator in ubuntu:

                                    libxcb-util.so.1 => not found

                                    Install libxcb-util package...

                                    https://forum.qt.io/topic/113070/qt-code-of-conduct

                                    1 Reply Last reply
                                    2
                                    • K KUMAR13

                                      @marbor :
                                      export QT_DEBUG_PLUGINS=1
                                      ./qtcreator
                                      show error: Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqxcb.so" : "Cannot load library
                                      installed : sudo apt-get install --reinstall libxcb-xinerama0
                                      this worked for me.
                                      after installation: go for this command ./qtcreator

                                      HeerokNewbieH Offline
                                      HeerokNewbieH Offline
                                      HeerokNewbie
                                      wrote on last edited by
                                      #24

                                      @KUMAR13 thanks You saved my life

                                      1 Reply Last reply
                                      0
                                      • K KUMAR13

                                        @marbor :
                                        export QT_DEBUG_PLUGINS=1
                                        ./qtcreator
                                        show error: Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqxcb.so" : "Cannot load library
                                        installed : sudo apt-get install --reinstall libxcb-xinerama0
                                        this worked for me.
                                        after installation: go for this command ./qtcreator

                                        ma lingfengM Offline
                                        ma lingfengM Offline
                                        ma lingfeng
                                        wrote on last edited by
                                        #25

                                        @KUMAR13 I have the same question that can be solved by your solution, thank you very much.

                                        1 Reply Last reply
                                        0
                                        • K KUMAR13

                                          @marbor :
                                          export QT_DEBUG_PLUGINS=1
                                          ./qtcreator
                                          show error: Qt/Tools/QtCreator/lib/Qt/plugins/platforms/libqxcb.so" : "Cannot load library
                                          installed : sudo apt-get install --reinstall libxcb-xinerama0
                                          this worked for me.
                                          after installation: go for this command ./qtcreator

                                          N Offline
                                          N Offline
                                          niffoxic
                                          wrote on last edited by
                                          #26

                                          @KUMAR13 thank you works for me

                                          1 Reply Last reply
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