When executing the following code I get an error that the Mysql driver is not loaded:

Qt Code: 
  1. db = QSqlDatabase::addDatabase("QMYSQL");
  2.     db.setHostName("127.0.0.1");
  3.     db.setDatabaseName("test");
  4.     db.setUserName("test");
  5.     db.setPassword("test");
  6.  
  7.     if (!db.open()) {
  8.         QMessageBox::critical(0, QObject::tr("Database Error"), db.lastError().text());
  9.     } else
  10.         qDebug() << "OPEN";
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and in my .pro file I added it with

Qt Code: 
  1. QT       += core gui sql
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I'm using Ubuntu 15.10 and I have installed
libqt5sql5-mysql
libqt4-sql-mysql

and when locating them with I get
Qt Code: 
  1. locate libqsql
  2. /usr/lib/i386-linux-gnu/qt4/plugins/sqldrivers/libqsqlmysql.so
  3. /usr/lib/x86_64-linux-gnu/qt4/plugins/sqldrivers/libqsqlite.so
  4. /usr/lib/x86_64-linux-gnu/qt5/plugins/sqldrivers/libqsqlite.so
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also when running the ldd command all dependencies can be found:
Qt Code: 
  1. ldd libqsqlite.so 
  2. 	linux-vdso.so.1 =>  (0x00007fff631e6000)
  3. 	libsqlite3.so.0 => /usr/lib/x86_64-linux-gnu/libsqlite3.so.0 (0x00007f831f6d3000)
  4. 	libQt5Sql.so.5 => /usr/lib/x86_64-linux-gnu/libQt5Sql.so.5 (0x00007f831f691000)
  5. 	libQt5Core.so.5 => /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 (0x00007f831f1d4000)
  6. 	libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f831ee52000)
  7. 	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f831ea88000)
  8. 	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f831e869000)
  9. 	libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f831e665000)
  10. 	libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007f831e44b000)
  11. 	libicui18n.so.55 => /usr/lib/x86_64-linux-gnu/libicui18n.so.55 (0x00007f831dfe7000)
  12. 	libicuuc.so.55 => /usr/lib/x86_64-linux-gnu/libicuuc.so.55 (0x00007f831dc53000)
  13. 	libpcre16.so.3 => /usr/lib/x86_64-linux-gnu/libpcre16.so.3 (0x00007f831d9f0000)
  14. 	libglib-2.0.so.0 => /lib/x86_64-linux-gnu/libglib-2.0.so.0 (0x00007f831d6e0000)
  15. 	librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f831d4d8000)
  16. 	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f831d1d0000)
  17. 	libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f831cfb8000)
  18. 	/lib64/ld-linux-x86-64.so.2 (0x0000557933e71000)
  19. 	libicudata.so.55 => /usr/lib/x86_64-linux-gnu/libicudata.so.55 (0x00007f831b501000)
  20. 	libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3 (0x00007f831b293000)
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Do I need to do something else?