Question

我对Ruby on Rails很新，只是试着玩。我正在尝试运行rails服务器而我无法启动它，因为我收到以下错误：

C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/actionview-4.2.2/lib/action_view/helpers.rb:40:in `<module:Helpers>': uninitialized constant ActionView::Helpers::ActiveModelHelper (NameError)
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/actionview-4.2.2/lib/action_view/helpers.rb:4:in `<module:ActionView>'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/actionview-4.2.2/lib/action_view/helpers.rb:3:in `<top (required)>'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/actionview-4.2.2/lib/action_view/base.rb:5:in `require'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/actionview-4.2.2/lib/action_view/base.rb:5:in `<top (required)>'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/web-console-2.2.1/lib/web_console/template.rb:7:in `<class:Template>'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/web-console-2.2.1/lib/web_console/template.rb:6:in `<module:WebConsole>'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/web-console-2.2.1/lib/web_console/template.rb:1:in `<top (required)>'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/web-console-2.2.1/lib/web_console.rb:12:in `require'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/web-console-2.2.1/lib/web_console.rb:12:in `<top (required)>'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/web-console-2.2.1/lib/web-console.rb:1:in `require'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/web-console-2.2.1/lib/web-console.rb:1:in `<top (required)>'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.10.4/lib/bundler/runtime.rb:76:in `require'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.10.4/lib/bundler/runtime.rb:76:in `block (2 levels) in require'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.10.4/lib/bundler/runtime.rb:72:in `each'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.10.4/lib/bundler/runtime.rb:72:in `block in require'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.10.4/lib/bundler/runtime.rb:61:in `each'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.10.4/lib/bundler/runtime.rb:61:in `require'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.10.4/lib/bundler.rb:134:in `require'
        from C:/wamp/www/simple_cms/config/application.rb:7:in `<top (required)>'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.2/lib/rails/commands/commands_tasks.rb:78:in `require'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.2/lib/rails/commands/commands_tasks.rb:78:in `block in server'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.2/lib/rails/commands/commands_tasks.rb:75:in `tap'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.2/lib/rails/commands/commands_tasks.rb:75:in `server'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.2/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
        from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.2/lib/rails/commands.rb:17:in `<top (required)>'
        from bin/rails:4:in `require'
        from bin/rails:4:in `<main>'

非常感谢任何帮助。谢谢！

Answer 1

您是否已从命令提示符捆绑？

bundle install

这是运行服务器时出现的错误吗？你本地主机上出现了什么：3000？

Answer 2

尝试在命令行中运行bundle install。如果不是这样，请检查命令行中的结果，我们可以尝试从那里解决问题。

祝你好运。

运行Rails服务器时出错

2 个答案: