ruby - Error with Devise - Cannot run rails s or any devise commands -

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i've added gem 'devise' of sudden can no longer run rails s or devise commands without seeing error message:

`c:3:in rescue in execute_if_updated': rails::application::routesreloader#execute_if_updated delegated updater.execute_if_updated, updater nil: #<rai s::application::routesreloader:0x276cf60 @paths=["c:/sites/code/omrails/config/routes.rb"], @route_sets=[#<actiondispatch::routing::routeset:0x2ab40c0>]> (runt meerror)         c:65535:in `execute_if_updated'         c:/railsinstaller/ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.0.0.rc2/lib/rails/application/finisher.rb:69:in `block in <module:finisher>'         c:/railsinstaller/ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.0.0.rc2/lib/rails/initializable.rb:30:in `instance_exec'         c:/railsinstaller/ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.0.0.rc2/lib/rails/initializable.rb:30:in `run'         c:/railsinstaller/ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.0.0.rc2/lib/rails/initializable.rb:55:in `block in run_initializers'         c:/railsinstaller/ruby1.9.3/lib/ruby/1.9.1/tsort.rb:150:in `block in tsort_each'         c:/railsinstaller/ruby1.9.3/lib/ruby/1.9.1/tsort.rb:183:in `block (2 levels) in each_strongly_connected_component'         c:/railsinstaller/ruby1.9.3/lib/ruby/1.9.1/tsort.rb:219:in `each_strongly_connected_component_from'         c:/railsinstaller/ruby1.9.3/lib/ruby/1.9.1/tsort.rb:182:in `block in each_strongly_connected_component'         c:/railsinstaller/ruby1.9.3/lib/ruby/1.9.1/tsort.rb:180:in `each'         c:/railsinstaller/ruby1.9.3/lib/ruby/1.9.1/tsort.rb:180:in `each_strongly_connected_component'         c:/railsinstaller/ruby1.9.3/lib/ruby/1.9.1/tsort.rb:148:in `tsort_each'         c:/railsinstaller/ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.0.0.rc2/lib/rails/initializable.rb:54:in `run_initializers'         c:/railsinstaller/ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.0.0.rc2/lib/rails/application.rb:215:in `initialize!'         c:/railsinstaller/ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.0.0.rc2/lib/rails/railtie/configurable.rb:30:in `method_missing'         c:/sites/code/omrails/config/environment.rb:5:in `<top (required)>'         c:/railsinstaller/ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.0.0.rc2/lib/rails/application.rb:189:in `require'         c:/railsinstaller/ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.0.0.rc2/lib/rails/application.rb:189:in `require_environment!'         c:/railsinstaller/ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.0.0.rc2/lib/rails/commands.rb:47:in `<top (required)>'         bin/rails:4:in `require'         bin/rails:4:in `<main>'

gemfile:

source 'https://rubygems.org'  gem 'rails', '4.0.0.rc2' gem 'jquery-rails' gem 'devise', '3.0.0.rc' gem 'turbolinks' gem 'jbuilder', '~> 1.2' gem 'bootstrap-sass', '~> 2.3.2.1' gem 'pg' gem 'simple_form', '3.0.0.rc' gem 'protected_attributes' gem 'rails_12factor', group: :production  ruby '1.9.3'  group :development, :test   gem 'sqlite3' end  group :assets      gem 'sass-rails', '~> 4.0.0.rc2'     gem 'uglifier', '>= 1.3.0'     gem 'coffee-rails', '~> 4.0.0'     gem 'bootstrap-sass', '~> 2.3.2.1' end  group :doc   gem 'sdoc', require: false end

routes.rb

omrails::application.routes.draw   devise_for :installs   # can have root of site routed "root"   'about' => 'pages#about'   root :to => 'pages#home' end

maybe can shifting rails edge.

gem 'rails', github: 'rails/rails' gem "devise", "~> 3.0.1"

(https://github.com/rails/rails/issues/10559)


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