This bug was originally marked as duplicate of bug 174776, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related.
Build: NetBeans IDE 7.3 Beta (Build 201210011125)
VM: Java HotSpot(TM) Client VM, 23.3-b01, Java(TM) SE Runtime Environment, 1.7.0_07-b10
OS: Windows Vista
trekxander: invoking code completion
Maximum slowness yet reported was 3500 ms, average is 3500
Created attachment 126168 [details]
Time spent in the 'enter' and 'analyze' phases of the javac compilation. 'Please wait' should be displayed in code completion meanwhile. Closing as wontfix.