paulp/sbt-extras — pull request #40 by rockymadden (2013-02-03 01:48:23+00:00)
Title: OpenJDK 6 and 7 issues with CMSClassUnloadingEnabled being set without UseConcMarkSweepGC

OpenJDK 6 and 7 by default have UseConcMarkSweepGC disabled. Thus, setting just CMSClassUnloadingEnabled will not work as intended. This can be verified by examining the OpenJDK 6 and 7 source: /hotspot/src/share/vm/runtime/globals.hpp