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 am using jboss4.2.3 and java 1.6.0_10. I deployed *.war file in 'server/default/deploy/' and started the server and i could view the 'welcome.do' page successfully. and when i attempt to click any further action, I am facing an error as: