This bug was originally marked as duplicate of bug 200558, 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 2 (Build 201211062253)
VM: Java HotSpot(TM) 64-Bit Server VM, 23.5-b02, Java(TM) SE Runtime Environment, 1.7.0_09-b05
mcdev1: Typed "throw new IllegalS" and pressed control-space.
Maximum slowness yet reported was 4560 ms, average is 4560
Created attachment 129068 [details]
Mílo, please notice the presence of about ten
threads. That is unlikely what you guys want, right?
Dusan, please check the snapshot. Thanks.
Time spent in the 'analyze' phase of the javac compilation that seems to be
competing for an IO with a native executor. As 'Please wait' is displayed in code completion meanwhile, closing as wontfix.