java version "1.7.0_21"
Java(TM) SE Runtime Environment (build 1.7.0_21-b11)
Java HotSpot(TM) 64-Bit Server VM (build 23.21-b01, mixed mode)
I'm not sure what I'm doing wrong, but I've made a screencast of my visual vm session.
I can't get the "No proxy hosts" setting to work.
I guess you can't attach files, so here's a link to it.
Bug in NetBeans Platform, will be fixed by upgrading to NB 7.4+ once available.