无法运行Rails服务器

Question

I'm working on getting my first rails application, but for whatever reason, when I run the command $rails server , my terminal throws back this error:

/Users/Toni/.rvm/gems/ruby-1.9.3-p194@global/gems/bundler-1.1.4/lib/bundler/resolver.rb:287:in `resolve': Could not find gem 'jquery-rails (= 2.0.0) ruby' in the gems available on this machine. (Bundler::GemNotFound)
    from /Users/Toni/.rvm/gems/ruby-1.9.3-p194@global/gems/bundler-1.1.4/lib/bundler/resolver.rb:161:in `start'
    from /Users/Toni/.rvm/gems/ruby-1.9.3-p194@global/gems/bundler-1.1.4/lib/bundler/resolver.rb:128:in `block in resolve'
    from /Users/Toni/.rvm/gems/ruby-1.9.3-p194@global/gems/bundler-1.1.4/lib/bundler/resolver.rb:127:in `catch'
    from /Users/Toni/.rvm/gems/ruby-1.9.3-p194@global/gems/bundler-1.1.4/lib/bundler/resolver.rb:127:in `resolve'
    from /Users/Toni/.rvm/gems/ruby-1.9.3-p194@global/gems/bundler-1.1.4/lib/bundler/definition.rb:192:in `resolve'
    from /Users/Toni/.rvm/gems/ruby-1.9.3-p194@global/gems/bundler-1.1.4/lib/bundler/definition.rb:127:in `specs'
    from /Users/Toni/.rvm/gems/ruby-1.9.3-p194@global/gems/bundler-1.1.4/lib/bundler/environment.rb:27:in `specs'
    from /Users/Toni/.rvm/gems/ruby-1.9.3-p194@rails3tutorial2ndEd/gems/rubygems-bundler-1.0.2/lib/rubygems-bundler/noexec.rb:41:in `candidate?'
    from /Users/Toni/.rvm/gems/ruby-1.9.3-p194@rails3tutorial2ndEd/gems/rubygems-bundler-1.0.2/lib/rubygems-bundler/noexec.rb:60:in `setup'
    from /Users/Toni/.rvm/gems/ruby-1.9.3-p194@rails3tutorial2ndEd/gems/rubygems-bundler-1.0.2/lib/rubygems-bundler/noexec.rb:75:in `<top (required)>'
    from /Users/Toni/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:60:in `require'
    from /Users/Toni/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:60:in `rescue in require'
    from /Users/Toni/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:35:in `require'
    from /Users/Toni/.rvm/gems/ruby-1.9.3-p194@rails3tutorial2ndEd/bin/ruby_noexec_wrapper:9:in `<main>'

I can't find anything here on Stack Overflow. Any ideas?

Answer 1

You need to install the required gems that are used by Rails when started. Before you run rails s be sure to run bundle install or bundle update .

Answer 2

Make sure your Gemfile has a line that looks like: gem 'jquery-rails'

Then from your project's directory: bundle install

Answer 3

因为在Rubygems服务器上，该版本显示为：

2.0.0 December 20, 2011 yanked