After updating to Rails 4, I\'m trying to start the server, but it won\'t start. Simply put, the application doesn\'t seem to get \"detected\", like there is no application in t
Rails 4 did change the way it boots up.
Fortunately, you don't have to run rails-new, since there is a handy task for that.
rails-new
Rails 4 Release Notes:
6.1 Notable changes Your app's executables now live in the bin/ dir. Run rake rails:update:bin to get bin/bundle, bin/rails, and bin/rake.
bin/
rake rails:update:bin
bin/bundle
bin/rails
bin/rake