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libmysqlclient.so.18 is missing

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  • Pablo J. RoginaP Pablo J. Rogina

    @orzel1244 said in libmysqlclient.so.18 is missing:

    linuxdeploytool

    If you are actually using this linuxdeployqt tool, please take a look at this issue.

    orzel1244O Offline
    orzel1244O Offline
    orzel1244
    wrote on last edited by
    #7

    @Pablo-J.-Rogina It doesn't help me

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #8

      Hi,

      You likely have have MySQL version 20 if you have a recent Linux distribution.

      But since you are not using MySQL with your application. Why not just ignore that warning ?

      What do you get if you call ldd on the Qt SQLite plugin ?

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

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      • orzel1244O Offline
        orzel1244O Offline
        orzel1244
        wrote on last edited by
        #9

        https://pastebin.com/ipHUP0j5 <- logs from linuxdeployqt

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        • orzel1244O Offline
          orzel1244O Offline
          orzel1244
          wrote on last edited by
          #10

          @SGaist said in libmysqlclient.so.18 is missing:

          Why not just ignore that warning ?

          Because the warning doesn't allow me to access my sqlite database

          ldd on the plugin gives me:
          https://pastebin.com/7Vs9bSB0

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          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #11

            Looks like there's a missing feature to disable unused SQL plugins for linuxdeployqt.

            Then you should consider re-building the MySQL plugin against the version you installed on your system.

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

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            • orzel1244O Offline
              orzel1244O Offline
              orzel1244
              wrote on last edited by
              #12

              I'm still getting error while trying to compile Qt from sources, I think it's too hard for me and it's better to use other lib for database :/

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              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by
                #13

                Then as a quick work around:

                • Make a copy your sqldrivers folder.
                • Remove all plugins in the original folder except the one you use.
                • Re-run linuxdeployqt

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

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                • orzel1244O Offline
                  orzel1244O Offline
                  orzel1244
                  wrote on last edited by
                  #14

                  You want me to copy sqldrivers from Qt dir to the application dir or what? I'm sorry I don't understand what you meant

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

                    No, make a copy of the sqldrivers folder from the Qt installation you used to build your application. So you keep all the original files safe. Then in the original folder from your Qt installation, delete all the non SQLite related files. Doing so, linuxdeployqt will only deploy the SQLite driver. Once your done, just delete the modified sqldrivers folder and put back the copy you made just before.

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

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                    • A Offline
                      A Offline
                      APSH
                      wrote on last edited by
                      #16

                      Tried to generate AppImage with linuxdeployqt , I get libmimerapi.so not found . There is no such plugin available . But when i build with cmake from Qt creator , build succeeds and app works as expected

                      jsulmJ 1 Reply Last reply
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                      • A APSH

                        Tried to generate AppImage with linuxdeployqt , I get libmimerapi.so not found . There is no such plugin available . But when i build with cmake from Qt creator , build succeeds and app works as expected

                        jsulmJ Offline
                        jsulmJ Offline
                        jsulm
                        Lifetime Qt Champion
                        wrote on last edited by
                        #17

                        @APSH said in libmysqlclient.so.18 is missing:

                        There is no such plugin available

                        libmimerapi.so is not a plug-in, it's a library you have to install. Search for the package in your Linux distribution which installs it.

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

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                        • Christian EhrlicherC Offline
                          Christian EhrlicherC Offline
                          Christian Ehrlicher
                          Lifetime Qt Champion
                          wrote on last edited by
                          #18

                          ... Or simply delete the Qt mimer sql plug in if it is not needed.

                          Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
                          Visit the Qt Academy at https://academy.qt.io/catalog

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