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Usual ocasional exceptions turned into complete inability to work with a class as soon as it had inner enum with inner classes. Any attempt to open, modify or analyze the file would block NB for a minute, reporting one or several InvalidObjectException or IllegalStateException. Commands like Save file, override methods, and all refactoring commands get disabled on this source file.
Created attachment 35440 [details] Latest log. Log for 19 p.m. and after on 21 Oct 2006 relates to the problem source (will attach) only. Did reopen NB once - didi not help.
Created attachment 35441 [details] Source file that gives headache; couple of dependencies are most likely irrelevant.
Workaround found: - close NetBeans, - delete mdrstorage folder from <whatever_user_dir>\.netbeans\5.0\var\cache - start NetBeans: corrupted cached data is replaced with fresh data, and you can work again :)
I am closing all reports in category Java/Unsupported as wontfix. These should be dead issues --- if the reported cases are against some live part of the NetBeans IDE please reopen and we can discuss to which category they belong.
I tried to reproduce it with NB 6.8 - and the issues seems to be fixed anyway.