Проблема с InterBase 5.5 и JAVA.

try {
        Class.forName("interbase.interclient.Driver");
        Connection con = DriverManager.getConnection("jdbc:interbase://localhost/c:/data/base.gdb","user","password");
        } catch ( ClassNotFoundException cnfe ) {
            System.err.println("Couldn't locate the driver class: "+cnfe);
        } catch ( SQLException se ) {
            System.err.println("Exception creating the database connection: "+se);
        }

Exception creating the database connection: interbase.interclient.CommunicationException: [interclient] ?????? ?????: ?????? ?????? ??? ??????? ????????? ?????????? ????? ????? ? ???????? localhost.
????????? SocketException: "Connection refused: connect".
???????? ?????????? interbase.interclient ??. ? ??????????? ?? API.CommunicationException