rails -v 无法加载这样的文件 -- rails/cli (LoadError)

Question

Ubuntu 14.04.

因此一切正常，我打开了带有两个选项卡的终端 - 一个选项卡在我的 sebcoles 项目上有 webbrick 运行，另一个选项卡用于克隆我的 english_teacher 存储库。都下载好了，我换了个目录。

我将把所有内容都粘贴在这里 - 一切都很清楚：

andrew:projects$ cd pinteresting
RVM used your Gemfile for selecting Ruby, it is all fine - Heroku does that too,
you can ignore these warnings with 'rvm rvmrc warning ignore /home/andrew/projects/pinteresting/Gemfile'.
To ignore the warning for all files run 'rvm rvmrc warning ignore allGemfiles'.

ruby-2.1.5 is not installed.
To install do: 'rvm install ruby-2.1.5'

andrew:pinteresting$ rvm install ruby-2.1.5

Warning, new version of rvm available '1.26.11', you are using older version '1.26.10'.
You can disable this warning with:    echo rvm_autoupdate_flag=0 >> ~/.rvmrc
You can enable  auto-update  with:    echo rvm_autoupdate_flag=2 >> ~/.rvmrc
Searching for binary rubies, this might take some time.
Found remote file https://rvm_io.global.ssl.fastly.net/binaries/ubuntu/14.04/x86_64/ruby-2.1.5.tar.bz2
Checking requirements for ubuntu.
Requirements installation successful.
ruby-2.1.5 - #configure
ruby-2.1.5 - #download
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 23.1M  100 23.1M    0     0  1189k      0  0:00:19  0:00:19 --:--:-- 1381k
No checksum for downloaded archive, recording checksum in user configuration.
ruby-2.1.5 - #validate archive
ruby-2.1.5 - #extract
ruby-2.1.5 - #validate binary
ruby-2.1.5 - #setup
ruby-2.1.5 - #gemset created /home/andrew/.rvm/gems/ruby-2.1.5@global
ruby-2.1.5 - #importing gemset /home/andrew/.rvm/gemsets/global.gems....................................
ruby-2.1.5 - #generating global wrappers........
ruby-2.1.5 - #gemset created /home/andrew/.rvm/gems/ruby-2.1.5
ruby-2.1.5 - #importing gemsetfile /home/andrew/.rvm/gemsets/default.gems evaluated to empty gem list
ruby-2.1.5 - #generating default wrappers........

andrew:pinteresting$ heroku status

=== Heroku Status
Development: No known issues at this time.
Production:  No known issues at this time.

andrew:pinteresting$ rails s

/home/andrew/.rvm/rubies/ruby-2.1.5/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:in `require': cannot load such file -- rails/cli (LoadError)
    from /home/andrew/.rvm/rubies/ruby-2.1.5/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:in `require'
    from /usr/bin/rails:7:in `<main>'

andrew:pinteresting$ rails -v

/home/andrew/.rvm/rubies/ruby-2.1.5/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:in `require': cannot load such file -- rails/cli (LoadError)
    from /home/andrew/.rvm/rubies/ruby-2.1.5/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:in `require'
    from /usr/bin/rails:7:in `<main>'

所以，基本上我现在完蛋了——我什么也做不了。求助！

Answer 1

您已安装 rvm 但忘记安装 rails gem。安装它使用：

gem install rails

Answer 2

原来我只需要运行捆绑安装一切都很好。但是，对于我使用回形针 gem 的 pinteresting repo，我不得不运行 sudo apt-get install imagemagick 以便在开发中上传图片。

虽然还不敢提交任何新内容并将其推送和部署到 heroku。不过我觉得应该没问题（摸木头）

Answer 3

我也遇到了同样的错误。我忘记切换到正确的 ruby 版本并使用 rvm 更正 gemset。就是这样，我能够解决这个问题。

$rvm list
$rvm use ruby version 
$rvm gemset use gemset-name

rails -v 无法加载这样的文件 -- rails/cli (LoadError)

rails -v cannot load such file -- rails/cli (LoadError)

ruby

ruby-on-rails

rvm

ruby-on-rails-4