From the Java Concurrency in Practice book. used by jbosscache at least
Created attachment 165478 [details] jcip-annotations-1.0.ebuild Corrected ebuild for the jcip-annotations-1.0. The one which is in the java overlay is creating a package called build.net.jcip.anotations instead of net.jcip.anotations.
An alternative clean room implementation is now in the tree.