> where url is

"jdbc:firebird:tame-db/3050:d:\\Database\\FireBird\\SID\\SID.GDB

Should be:

jdbc:firebirdsql:tame-db/3050:d:\\Database\\FireBird\\SID\\SID.GDB

Also, to simplify life, you can use normal slash ("/") as path delimiter:

jdbc:firebirdsql:tame-db/3050:d:/Database/FireBird/SID/SID.GDB