This bug was originally marked as duplicate of bug 214760, 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 201210070002)
VM: Java HotSpot(TM) 64-Bit Server VM, 23.1-b03, Java(TM) SE Runtime Environment, 1.7.0_05-b06
OS: Windows 7
medeag: code completion
Maximum slowness yet reported was 8486 ms, average is 8486
Created attachment 125561 [details]
Code completion is waiting for ClassIndex.getElements(...) which seems to be slow due to slow IO at the moment. Nothing to fix on the code completion side. 'Please wait' should be displayed meanwhile. Closing as WONTFIX.