This bug was originally marked as duplicate of bug 204238, 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 201211200002)
VM: Java HotSpot(TM) 64-Bit Server VM, 23.5-b02, Java(TM) SE Runtime Environment, 1.7.0_09-b05
Maximum slowness yet reported was 3551 ms, average is 3551
Created attachment 128628 [details]
The actual call comes from some web client node. But then there is just a classloading, so I guess we can't do anything with this problem.