http://bugs.java.com/view_bug.do?bug_id=6900441 While we are at it, merge fix for JDK-8029453. http://bugs.java.com/view_bug.do?bug_id=8029453 Note JDK-8029453 only affects us when "-XX:WorkAroundNPTLTimedWaitHang=0" is forcibly set. Reported by: 张泽鹏 (redraiment at gmail dot com) Tested by: 张泽鹏 (redraiment at gmail dot com)