Exactly, and that's what I'm confused about. As I said before, I'm not using the datanucleus implementation at all, anywhere. I can't understand where that's coming from
On Mar 8, 12:12 pm, Jeff Larsen <larse...@gmail.com> wrote: > Yes all of my imports are the Java.util implementation of the hashset. > > This line from your stacktrace gives a different story. > > "Caused by: com.google.gwt.user.client.rpc.SerializationException: > Type '*org.datanucleus.sco.backed.**HashSet'* -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.