Yeah, did all that as well :)

Thanks - if I put the classpath into the Gateway definition, it fails; however, the code that is making the connection and trying to access those jar files belongs to a vendor and it's compiled.  I'll feed this back to them but thanks for taking a look.

Bearing in mind this is on a hp-ux system :

That's how it set up in our UAT environment except UAT doesn't have an issue, it's only Live.