Related test bugs: JDK-8147966 JDK-8151269 JDK-8142406 JDK-8150258 JDK-8150724 JDK-8150643 JDK-8151714 see also JDK-8151699 JDK-8151627 JDK-8142861 some tests were added by dev. as a part of the initial push: http://hg.openjdk.java.net/jdk9/client/jdk/rev/7869179af058 some other should be added by dev. as a part of bug fixes.