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It would be a huge time-saver if NetBeans could detect when a method the user writes in an ActionController class will actually override a method of a superclass instead of creating a new ActionController action. The errors Rails throws when an method is mistakenly overridden are very cryptic. For instance, if one tries to name an action 'send', visiting the expected url for that action gives a "Wrong number of arguments" error with nothing in the stack trace that is useful for figuring the problem out.