> I'm getting the following exception when opening a connection from a
> Java thread:
>
> - opening the connection from within the run method of a Java
> thread- using the Firebird2 embedded engine (compiled a few days
> ago)

You'd better report this to core engine developers. This error most likely
means some "access violation" or similar. Might be that their library is not
thread safe (or you have compiled a non-thread-safe version).

Roman