無法運行Rails服務器

Question

我正在獲取第一個Rails應用程序，但是由於任何原因，當我運行$rails server命令時，終端都會拋出此錯誤：

/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>'

我在Stack Overflow上找不到任何內容。 有任何想法嗎？

Answer 1

您需要安裝Rails啟動時使用的必需的gem。 在運行rails s之前，請確保運行bundle install或bundle update 。

Answer 2

確保您的Gemfile的行類似於：gem'jquery gem 'jquery-rails'

然后從您的項目目錄： bundle install

Answer 3

因為在Rubygems服務器上，該版本顯示為：

2.0.0 December 20, 2011 yanked