I can vouch for Dropwizard<i>. Have used in a few tier-1 services and it has worked out fabulously well.<p></i> <a href="http:&#x2F;&#x2F;www.dropwizard.io&#x2F;0.9.1&#x2F;docs&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.dropwizard.io&#x2F;0.9.1&#x2F;docs&#x2F;</a>