This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
I use obfuscate4e 0.7.1 (proguard) to obfuscate my eclipse rcp project. In the project hibernate is used to handle the database. but after I obfuscate it, error occores and exception code just as below: