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.
I see. So this "project" is in some kind of IDE then? In that case this is a question about that IDE... whatever it is. Is there a reason you aren't telling us that? At any rate let me move this post to the IDEs forum.
By the way I have found that artifacts under the "src" folder get compiled into artifacts under the WEB-INF/classes folder in my IDE environment. Yours might work the same way.