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This bug was originally marked as duplicate of bug 220350, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 7.3 Beta 2 (Build 201211062253) VM: Java HotSpot(TM) 64-Bit Server VM, 21.0-b17, Java(TM) SE Runtime Environment, 1.7.0-b147 OS: Windows 7 User Comments: GUEST: Opening html file in new HTML5 project from existing sources Maximum slowness yet reported was 3322 ms, average is 3322
Created attachment 127632 [details] nps snapshot
I see classloading for sidebars (diff, breadcrumbs, ..) and classLoading in BaseCaret. This cannot be faster.