FYI, build 40 is now available: http://jdk9.java.net/jigsaw
The main change in this build is that it includes the jrt: file-system provider, so it now implements all of the changes described in JEP 220. More information: http://openjdk.java.net/projects/jigsaw/ea http://openjdk.java.net/jeps/220 - Mark
