I followed the instructions in the article by Pirabu G regarding installing postgress jdbc driver but used the MySql driver and it seems to work. I can install the MySql driver as a module under Windows 7 but if I follow the same procedures it fails under Fedora 19. If I copy the MySql jdbc driver jar to the deployment directory, I can configure the datasource without any problems. But installing MySql jdbc driver as a module does not work....