I find the last link doesn't have a valid document attached to it. http://openjdk.java.net/groups/build/ Build Infrastructure Group - OpenJDK<http://openjdk.java.net/groups/build/> Build Infrastructure Group. This group consists of those developers interested in and actively developing or maintaining the JDK build process.. The mailing list may include anyone interested in tracking any JDK build issues. openjdk.java.net
http://hg.openjdk.java.net/jdk9/jdk9/raw-file/tip/README-builds.html
