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This bug was originally marked as duplicate of bug 181584, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 7.2 Beta (Build 201205031832) VM: Java HotSpot(TM) Client VM, 20.1-b02, Java(TM) SE Runtime Environment, 1.6.0_26-b03 OS: Windows 7 Maximum slowness yet reported was 5592 ms, average is 5592
Created attachment 120823 [details] nps snapshot
most of the time is spent in native filesystem methods like java.util.zip.ZipFile.read() seems this issue is caused by slow filesystem.