This week's giveaway is in the EJB and other Java EE Technologies forum. We're giving away four copies of EJB 3 in Action and have Debu Panda, Reza Rahman, Ryan Cuprak, and Michael Remijan on-line! See this thread for details.
Also, is that the exact error message? I ask because a search on google for it only yields this thread. It's highly unlikely there aren't any other references to it on the internet, not even in a list of error messages.