This is more or less a copy of a previous patch that was made to JDI [1], but this patch applies to the SA implementation of JDI.
ReferenceType.visibleMethods() has some problems with diamond shaped interface hierarchies. The solution here is to maintain a list of interfaces that we have visited so that we do not visit interfaces (above the top of the diamond) more than once. This change is targeted for jdk9 so I will hold on to it until the repos open up. webrev: http://cr.openjdk.java.net/~sla/4990369/webrev.00/ bug: https://bugs.openjdk.java.net/browse/JDK-4990369 Thanks, /Staffan [1] http://mail.openjdk.java.net/pipermail/serviceability-dev/2013-November/013166.html