> We are trying to implement the JDBC Type 2 driver for firebird
> 1.5.1. We have included the client libraries on our server, but when
> we run a test program (it works with the Type 4 driver) we get the
> following exception, any ideas?

> Exception in thread "main" java.lang.IllegalArgumentException:
> java.lang.ClassFormatError: $Proxy0 (Repetitive interface name)