This bug was originally marked as duplicate of bug 202651, 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 201204060400)
VM: Java HotSpot(TM) Client VM, 22.1-b02, Java(TM) SE Runtime Environment, 1.7.0_03-b05
OS: Windows 7
Maximum slowness yet reported was 3735 ms, average is 3735
Created attachment 118066 [details]
*** This bug has been marked as a duplicate of bug 207558 ***