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Build: NetBeans IDE 6.8 (Build 200912041610) VM: Java HotSpot(TM) Client VM, 16.3-b01, Java(TM) SE Runtime Environment, 1.6.0_20-b02 OS: Windows XP Maximum slowness yet reported was 29629 ms, average is 16568
Created attachment 100078 [details] nps snapshot
One report might be dupe of bug #176917, though that was claimed to be fixed in 6.8. The other is that ProjectsRootNode.ProjectChildren.createNodes calls PhysicalView.createNodesForProject which needs PM.mutex; ought to use an asynch child factory, perhaps.
Latest report is more than 2 years old - seems to be fixed now.