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This bug was originally marked as duplicate of bug 190188, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE Dev (Build 20111130-64917a7504fb) VM: Java HotSpot(TM) Client VM, 16.2-b04, Java(TM) SE Runtime Environment, 1.6.0_19-b04 OS: Windows 7 Maximum slowness yet reported was 3001 ms, average is 3001
Created attachment 113892 [details] nps snapshot
Snapshot is very short to find where is a problem. Have you used find/search on very big file?