无法运行rails服务器

Question

I\xe2\x80\x99m 正在努力获取我的第一个 Rails 应用程序，但无论出于何种原因，当我运行命令时$rails server，我的终端会返回以下错误：

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/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)\n    from /Users/Toni/.rvm/gems/ruby-1.9.3-p194@global/gems/bundler-1.1.4/lib/bundler/resolver.rb:161:in `start\'\n    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\'\n    from /Users/Toni/.rvm/gems/ruby-1.9.3-p194@global/gems/bundler-1.1.4/lib/bundler/resolver.rb:127:in `catch\'\n    from /Users/Toni/.rvm/gems/ruby-1.9.3-p194@global/gems/bundler-1.1.4/lib/bundler/resolver.rb:127:in `resolve\'\n    from /Users/Toni/.rvm/gems/ruby-1.9.3-p194@global/gems/bundler-1.1.4/lib/bundler/definition.rb:192:in `resolve\'\n    from /Users/Toni/.rvm/gems/ruby-1.9.3-p194@global/gems/bundler-1.1.4/lib/bundler/definition.rb:127:in `specs\'\n    from /Users/Toni/.rvm/gems/ruby-1.9.3-p194@global/gems/bundler-1.1.4/lib/bundler/environment.rb:27:in `specs\'\n    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?\'\n    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\'\n    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)>\'\n    from /Users/Toni/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:60:in `require\'\n    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\'\n    from /Users/Toni/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:35:in `require\'\n    from /Users/Toni/.rvm/gems/ruby-1.9.3-p194@rails3tutorial2ndEd/bin/ruby_noexec_wrapper:9:in `<main>\'\n

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我在 Stack Overflow 上找不到任何东西。有任何想法吗？

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Answer 1

您需要安装 Rails 启动时使用的必需 gem。在运行之前，rails s请务必运行bundle install或bundle update。