> It really was using the JDK6, updated the jaybird to 2.1.6JDK6, but
> continued the error?

Same exception? Or SQLException: "not yet implemented"?

See also http://tracker.firebirdsql.org/browse/JDBC-126

Application continues to work, only the log gets polluted. This will be
fixed in 2.2. You can get the Jaybird sourced and comment the
exception-raising line...

Roman