This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
I don't understand what you want. You want a search engine to use in a project to index files and search in them, or you want a search engine available on the net serving people that has the front end developed in struts?