I would like to backport this fix from jdk9. bug: https://bugs.openjdk.java.net/browse/JDK-8030036 review thread: http://mail.openjdk.java.net/pipermail/serviceability-dev/2013-December/013578.html jdk9 changeset: http://hg.openjdk.java.net/jdk9/jdk9/jdk/rev/740772b29f39 Thanks, /Staffan