This week's book giveaway is in the OCAJP forum. We're giving away four copies of Programmer's Guide to Java SE 8 Oracle Certified Associate (OCA) and have Khalid A Mughal & Rolf W Rasmussen 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.