Unknown entity bean class after hot deploy: netbeans 6.9 + glassfish 2.1 + eclipselink jpa 2.0

Question

When I deploy my app, it works perfectly until I make a change, save, and netbeans hot deploys the application. At this point I get an unknown entity bean class error on a c

Answer 1

Turns out we weren't needing any of the JPA 2.0 features at this time and eclipselink support for glassfish v2 is a bit spotty. So the solution for us was to switch back to toplink and JPA 1.0 . Not the best solution but it solved our deployment issues. We'll be looking at eclipselink when we switch over to glassfish v3.