我正试图按照他们网站上的描述设置Jasmine Gem.跑完后：
bundle exec jasmine init
我收到一个错误：
/Users/sts-158imac/.rvm/gems/ruby-1.9.2-p180@fmn/gems/railties-3.1.0.rc1/lib/rails/railtie/configurable.rb:4:in `<module:Configurable>': uninitialized constant ActiveSupport::Concern (NameError) from /Users/sts-158imac/.rvm/gems/ruby-1.9.2-p180@fmn/gems/railties-3.1.0.rc1/lib/rails/railtie/configurable.rb:3:in `<class:Railtie>' from /Users/sts-158imac/.rvm/gems/ruby-1.9.2-p180@fmn/gems/railties-3.1.0.rc1/lib/rails/railtie/configurable.rb:2:in `<module:Rails>' from /Users/sts-158imac/.rvm/gems/ruby-1.9.2-p180@fmn/gems/railties-3.1.0.rc1/lib/rails/railtie/configurable.rb:1:in `<top (required)>' from /Users/sts-158imac/.rvm/gems/ruby-1.9.2-p180@fmn/gems/railties-3.1.0.rc1/lib/rails/railtie.rb:129:in `inherited' from /Users/sts-158imac/.rvm/gems/ruby-1.9.2-p180@fmn/gems/jasmine-1.0.2.1/lib/jasmine/railtie.rb:3:in `<module:Jasmine>' from /Users/sts-158imac/.rvm/gems/ruby-1.9.2-p180@fmn/gems/jasmine-1.0.2.1/lib/jasmine/railtie.rb:2:in `<top (required)>' from /Users/sts-158imac/.rvm/gems/ruby-1.9.2-p180@fmn/gems/jasmine-1.0.2.1/lib/jasmine.rb:12:in `require' from /Users/sts-158imac/.rvm/gems/ruby-1.9.2-p180@fmn/gems/jasmine-1.0.2.1/lib/jasmine.rb:12:in `<top (required)>' from /Users/sts-158imac/.rvm/gems/ruby-1.9.2-p180@fmn/gems/jasmine-1.0.2.1/bin/jasmine:4:in `require' from /Users/sts-158imac/.rvm/gems/ruby-1.9.2-p180@fmn/gems/jasmine-1.0.2.1/bin/jasmine:4:in `<top (required)>' from /Users/sts-158imac/.rvm/gems/ruby-1.9.2-p180@fmn/bin/jasmine:19:in `load' from /Users/sts-158imac/.rvm/gems/ruby-1.9.2-p180@fmn/bin/jasmine:19:in `<main>'
解决方法
而不是尝试使用bundle exec jasmine init设置Jamine
尝试使用rails g jasmine：在你的Gemfile中插入jasmine gem之后捆绑安装后可用的安装.`