This bug was originally marked as duplicate of bug 186010, 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 201203030400)
VM: Java HotSpot(TM) 64-Bit Server VM, 22.1-b02, Java(TM) SE Runtime Environment, 1.7.0_03-b05
OS: Windows 7
Chiana: Was just editing, nothing special.
Also notices SEVERE delays in the hint windows, takes up to 30 seconds to get the info.
Maximum slowness yet reported was 2214 ms, average is 2214
Created attachment 116319 [details]
ressigning to code completion
From the attached snapshot it seems that some of compiled sources are inside jar/zip file. What is your project configuration?