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.
I created some java classes and compiled them. Then i used the command jar cfv temp.tar *. Next I wanted to deploy the web service so i used wsdeploy -o Qotd.war temp.war. But i am getting a null pointer exception.