How do I prevent Eclipse from hanging on startup?

I am using Eclipse 3.3 (“Europa”). Periodically, Eclipse takes an inordinately long time (perhaps forever) to start up. The only thing I can see in the Eclipse log is: !ENTRY org.eclipse.core.resources 2 10035 2008-10-16 09:47:34.801 !MESSAGE The workspace exited with unsaved changes in the previous session; refreshing workspace to recover changes. Googling reveals someone’s suggestion … Read more