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.
Are you allowed to run multiple web apps? I mean, ROOT.war will execute at the root web app level (no context), depending on how they deploy your war files it might be as simple as naming it something else so it'll run in that context.