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.
What I want to do is, be able to have one application/war file, but have multiple web application contexts. This will allow me to have one code base, but setup different DataSources, so each context will be connecting to a different database or a different schema.