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Error QMYSQL Plugin on Windows

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  • SGaistS Offline
    SGaistS Offline
    SGaist
    Lifetime Qt Champion
    wrote on last edited by
    #50

    @Stelian said in Error QMYSQL Plugin on Windows:

    C:Program Files/MYSQL/MySQL Server 8.0/lib

    Then that's the one you should be having in your PATH environment variable.

    One other thing you can use is Dependency Walker. Use it on your Qt MySQL plugin. Check that it can find the MySQL dll.

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

    S 1 Reply Last reply
    1
    • SGaistS SGaist

      @Stelian said in Error QMYSQL Plugin on Windows:

      C:Program Files/MYSQL/MySQL Server 8.0/lib

      Then that's the one you should be having in your PATH environment variable.

      One other thing you can use is Dependency Walker. Use it on your Qt MySQL plugin. Check that it can find the MySQL dll.

      S Offline
      S Offline
      Stelian
      wrote on last edited by Stelian
      #51

      @SGaist yes, I have that path in my path environment variable.
      I have never used Dependency Walker.
      What do I have to do ?

      JonBJ 1 Reply Last reply
      0
      • S Stelian

        @SGaist yes, I have that path in my path environment variable.
        I have never used Dependency Walker.
        What do I have to do ?

        JonBJ Offline
        JonBJ Offline
        JonB
        wrote on last edited by
        #52

        @Stelian
        Go to http://www.dependencywalker.com/, read, and download the appropriate for your architecture. You just point it at a .exe, or in this case the .dll you are having trouble with. Look through its output window, to see whether there is another .dll which is required but cannot be found, and report back.

        1 Reply Last reply
        2
        • S Offline
          S Offline
          Stelian
          wrote on last edited by
          #53

          0_1551713007838_Annotation 2019-03-03 231800.jpg

          0_1551713024334_Annotation 2019-03-03 231830.jpg

          1 Reply Last reply
          0
          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #54

            If you close the yellow branches does the MySQL dll appear as good or not ?

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

            S 1 Reply Last reply
            0
            • SGaistS SGaist

              If you close the yellow branches does the MySQL dll appear as good or not ?

              S Offline
              S Offline
              Stelian
              wrote on last edited by
              #55

              @SGaist I don't have an option to close the yellow branches
              0_1551723782285_Annotation 2019-03-04 202230.jpg

              1 Reply Last reply
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              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by
                #56

                I meant: close the branches where all these warnings can be seen. Just take care to verify that you're not hiding a bigger issue while doing that.

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

                H 1 Reply Last reply
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                • SGaistS SGaist

                  I meant: close the branches where all these warnings can be seen. Just take care to verify that you're not hiding a bigger issue while doing that.

                  H Offline
                  H Offline
                  Hitek
                  wrote on last edited by
                  #57

                  @SGaist i got the same issue.
                  This is my dependency walker screen. LIBMYSQL.DLL looks good but i dont know why i still got this error "QSqlDatabase: QMYSQL driver not loaded".Capture.PNG image url)

                  aha_1980A 1 Reply Last reply
                  0
                  • H Hitek

                    @SGaist i got the same issue.
                    This is my dependency walker screen. LIBMYSQL.DLL looks good but i dont know why i still got this error "QSqlDatabase: QMYSQL driver not loaded".Capture.PNG image url)

                    aha_1980A Offline
                    aha_1980A Offline
                    aha_1980
                    Lifetime Qt Champion
                    wrote on last edited by
                    #58

                    Hi @Hitek,

                    This libmysql.dll is a 64 bit library. Are you using a 64 bit or 32 bit Qt version for your program?

                    Regards

                    Qt has to stay free or it will die.

                    1 Reply Last reply
                    1
                    • Christian EhrlicherC Offline
                      Christian EhrlicherC Offline
                      Christian Ehrlicher
                      Lifetime Qt Champion
                      wrote on last edited by
                      #59

                      And is the library in the correct folder?

                      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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