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.
The best way solve any run time exception is to catch hem and print stack trace , which shows part of code with line number which has problem , also the the exception comes with message , which itself explains a lot !!
So post the exception message with line no at which its throwing it !!