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This issue was reported manually by sdedic. It already has 1 duplicates Build: NetBeans IDE Dev (Build 201203230400) VM: Java HotSpot(TM) 64-Bit Server VM, 22.1-b02, Java(TM) SE Runtime Environment, 1.7.0_03-b05 OS: Windows 7 Maximum slowness yet reported was 2137 ms, average is 2137
Created attachment 117717 [details] nps snapshot
The involved code has been rewritten/optimized recently quite a lot, so closing as fixed.