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This issue was reported manually by misterm. It already has 18 duplicates Build: NetBeans IDE Dev (Build 20110520-5ecd44566583) VM: Java HotSpot(TM) Client VM, 16.2-b04, Java(TM) SE Runtime Environment, 1.6.0_19-b04 OS: Windows 7 User Comments: Lolo_101: copied http://www.w3.org/2001/XMLSchema.xsd locally, then registering the local version in the DTD & XSD catalog, and open the file from there. Maximum slowness yet reported was 17562 ms, average is 7407
Created attachment 108466 [details] nps snapshot
Last slowness report is from 7.1 RC2 - doesn't seem to be much of a problem now