|Subject||Re: [Firebird-Java] Re: UnsupportedClassVersionError: Bad version number in .class file|
> I think the situation may have fixed itself. I don't know how.It should have to do something with JDKs you have on your machine - you
get this error when you try to use classes compiled for a newer JDK than
the one used to run the code. So, very likely, you had either Java 5.0
or even earlier versions somewhere there...