Hi Susan, i've also this problem with the eclipse version 3.1M7. I don't understand the solution from Tony. Kai Susan Cline wrote: > Thanks for the info Tony. > > Susan > > */Tony Kennedy > /* wrote: > > > The Replacement class is: > > public class IJDerbyLaunchConfigurationDelegate extends > // JavaLocalApplicationLaunchConfigurationDelegate > org.eclipse.jdt.launching.JavaLaunchDelegate > > { > > } > > Tony Kennedy >