Not positive, but I don't think Eclipse 2.0.1 is officially supported in 3.1 You may need 3.2.
-D Rich Tretola wrote: > > I upgraded my Flex Builder 2 plugin on Eclipse today (Eclipse 3.1 on > Win XP) to 2.0.1 and I am now getting an error when trying to open any > of my projects which were defined as java projects. Here is the error: > > "A problem occurred while opening this project. Try quitting and > restarting the application. If the problem persists, you may be using > an unsupported project version, or your project files may be corrupted." > > If I accept the dialog, I can edit the MXML and AS files within the > MXML and ActionScript editors however I do not get any code hints. > > Has anyone else seen this issue? > > Rich > >