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.
Remove the .do and try use the jsp/html page. I dont know what a .do is doing there.
If you want to redirect it to your servlet, then write a page redirect in index.html and use that as welcome file. Simple!
Never try to be a hard-worker. Be a smart-worker.