Currently when you register a new Server, it always picks the first JDBC driver in the list (currently Amazon's RedShift for me).

This can cause an issue when you forget to select the appropriate JDBC driver and then save the Server because you can not change the JDBC driver after the fact.

It would probably be better to not pre-select any JDBC and hence prompt the user if they attempt to save the Server without selecting one.

And/Or pre-select the last used JDBC driver (as a user is likely often setting up several servers all at once such as dev, UAT, production and they are all of the same type.