Invoking 'CDI (Contexts and Dependency Injection Builder)' on 'project' causes the workspace to lock whenever a file is changed.

Check out this project:
https://github.com/ocpsoft/rewrite

Import in to workspace as maven project. Open a source file in API. Change the file. Try to change or save any other file (the workspace locks while it waits for CDI builder to finish.)

Very annoying