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.
can you post your Stored Procedure and java code(where you invoking your stored procedure ) here. it would be easy to find where the error occur. also the fields in you table? (make sure that you are not inserting null values in non-null fields)