This bug was originally marked as duplicate of bug 194293, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related.
Build: NetBeans IDE 7.1.2 (Build 201204101705)
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 39356 ms, average is 39356
Created attachment 121482 [details]
Fixed together with issue #207839