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.
If the reference are to resource within the web app then no, I do not. It makes it impossible to move to another server without having to change all the links. References within the same web app should never use absolute URLs.