This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
Seems there is problem in cofiguration of the primary key.Please check the .hbm file where you have decalre the primary key. Post code for the same. Also try assign the hard code value to
primary key and then call save() check does it work or not?