For whatever reason, the latest release of Netbeans was giving me some issues. Over at “Java How To…” was an excellent short piece on avoiding common Java heap space configuration errors in all sorts of containers, environments, and IDEs. It’s one for your bookmarks.
Another tip – close the Tasks pane – it triggers excessive scanning on large projects. Open it when you have the opportunity to. But the last thing you want is to shut down with it open – it will simply make start up intolerable if you have a very large project opened.
There is an open ticket working on the worst offender keeping me from adopting Netbeans enthusiastically – excessive “Project scanning”.