When trying to startup the foreman server 1.9 RC on Ubuntu 14.04 via:

$ sudo service foreman start

I'm getting the following exception:

 /usr/share/foreman/app/models/concerns/encryptable.rb:5: warning: already initialized constant ENCRYPTION_PREFIX
  | /usr/share/foreman/vendor/ruby/1.9.1/gems/rack-1.4.7/lib/rack/server.rb:200:in `app'
  | /usr/share/foreman/vendor/ruby/1.9.1/gems/railties-3.2.21/lib/rails/commands/server.rb:46:in `app'
  | /usr/share/foreman/vendor/ruby/1.9.1/gems/rack-1.4.7/lib/rack/server.rb:304:in `wrapped_app'
  | /usr/share/foreman/vendor/ruby/1.9.1/gems/rack-1.4.7/lib/rack/server.rb:254:in `start'
  | /usr/share/foreman/vendor/ruby/1.9.1/gems/railties-3.2.21/lib/rails/commands/server.rb:70:in `start'
  | /usr/share/foreman/vendor/ruby/1.9.1/gems/railties-3.2.21/lib/rails/commands.rb:55:in `block in <top (required)>'
  | /usr/share/foreman/vendor/ruby/1.9.1/gems/railties-3.2.21/lib/rails/commands.rb:50:in `tap'
  | /usr/share/foreman/vendor/ruby/1.9.1/gems/railties-3.2.21/lib/rails/commands.rb:50:in `<top (required)>'
  | script/rails:6:in `require'
  | script/rails:6:in `<main>'

It doesn't seem to affect anything though.