This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Can you please let us know what are you trying to achieve.? for your questiont try implementin Servletcontextlistener which will listen the event of context intialization.
But i would like to know what you trying to accomplish?