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Thread: QMYSQL driver not loaded

  1. #1
    Join Date
    Dec 2016
    Qt products

    Default QMYSQL driver not loaded


    I am currently developing a simple app that requires interaction with a MySQL database. I already installed MySQL and the x32 C++ Connector. Tried copying its libraries into the project folder, copied the sqldrivers folder from Qt plugins, installed the x64 C++ Connector and copied the libraries again. Still, I receive the one error to rule them all:

    "QSqlDatabase: QMYSQL driver not loaded
    QSqlDatabase: available drivers: QSQLITE QMYSQL QMYSQL3 QODBC QODBC3 QPSQL QPSQL7"

    Do you have any insight as to why this happens?
    I am programming on Windows 7 x64. The examples that came with Qt are running fine, but they all use SQLite, which I can't use.

    Thanks in advance!

  2. #2
    Join Date
    Jan 2006
    Graz, Austria
    Thanked 1,542 Times in 1,493 Posts
    Qt products
    Qt3 Qt4 Qt5
    Unix/X11 Windows

    Default Re: QMYSQL driver not loaded

    When the driver is listed but cannot be loaded it usually means that a dependency of the driver plugin is not found at runtime.

    I.e. Qt finds the plugin, hence it being listed, but it cannot load it.

    Most common cause is a missing mysql client library compatible to the one qsqmysql was compile against.

    You write that you copied the C++ connector, but did you copy the base mysql client library?


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