This is a simple export/import backport for: 8023954: MBean*Info.equals: throw NPE bug: https://bugs.openjdk.java.net/browse/JDK-8023954 jdk 8 changeset: http://hg.openjdk.java.net/jdk8/tl/jdk/rev/8708569b5524 jdk 8 review: http://mail.openjdk.java.net/pipermail/serviceability-dev/2013-September/011750.html Thanks, Shanliang