Rbenv说，即使我安装了Ruby 2.1.2之后也没有安装它

时间：2016-06-08 15:46:54

标签： ruby-on-rails ruby git

当我使用rails s启动Rails服务器时，我得到了这个。

➜  zumin-share git:(master) rails s

rbenv: version `2.1.2' is not installed (set by /Users/ericxavierdoyle/Eric_Dev/ElliotWhyte/zumin-share/.ruby-version)

然后我尝试安装rbenv 2.1.2并完成安装程序。我检查了Rbenv版本，我得到了。

rbenv version

2.1.2 (set by /Users/ericxavierdoyle/Eric_Dev/ElliotWhyte/zumin-share/.ruby-version)

我以为是.ruby-version文件给我带来麻烦，当我删除它时，我得到了。 

rails s

/usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/smart_listing-1.0.0/lib/smart_listing/config.rb:73: warning: duplicated key at line 79 ignored: :href
/usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/ansi-1.4.3/lib/ansi/chart.rb:26: warning: duplicated key at line 29 ignored: :concealed
=> Booting Thin
=> Rails 4.2.0 application starting in development on http://localhost:3000
=> Run `rails server -h` for more startup options
=> Ctrl-C to shutdown server
Exiting
/usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/application/configuration.rb:110:in `database_configuration': Cannot load `Rails.application.database_configuration`: (RuntimeError)
Could not load database configuration. No such file - ["config/database.yml"]
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/activerecord-4.2.0/lib/active_record/railtie.rb:117:in `block (2 levels) in <class:Railtie>'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/activesupport-4.2.0/lib/active_support/lazy_load_hooks.rb:38:in `instance_eval'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/activesupport-4.2.0/lib/active_support/lazy_load_hooks.rb:38:in `execute_hook'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/activesupport-4.2.0/lib/active_support/lazy_load_hooks.rb:28:in `block in on_load'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/activesupport-4.2.0/lib/active_support/lazy_load_hooks.rb:27:in `each'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/activesupport-4.2.0/lib/active_support/lazy_load_hooks.rb:27:in `on_load'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/activerecord-4.2.0/lib/active_record/railtie.rb:116:in `block in <class:Railtie>'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/initializable.rb:30:in `instance_exec'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/initializable.rb:30:in `run'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/initializable.rb:55:in `block in run_initializers'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/2.2.0/tsort.rb:226:in `block in tsort_each'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/2.2.0/tsort.rb:348:in `block (2 levels) in each_strongly_connected_component'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/2.2.0/tsort.rb:429:in `each_strongly_connected_component_from'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/2.2.0/tsort.rb:347:in `block in each_strongly_connected_component'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/2.2.0/tsort.rb:345:in `each'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/2.2.0/tsort.rb:345:in `call'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/2.2.0/tsort.rb:345:in `each_strongly_connected_component'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/2.2.0/tsort.rb:224:in `tsort_each'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/2.2.0/tsort.rb:203:in `tsort_each'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/initializable.rb:54:in `run_initializers'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/application.rb:352:in `initialize!'
  from /Users/ericxavierdoyle/Eric_Dev/ElliotWhyte/zumin-share/config/environment.rb:5:in `<top (required)>'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/activesupport-4.2.0/lib/active_support/dependencies.rb:274:in `require'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/activesupport-4.2.0/lib/active_support/dependencies.rb:274:in `block in require'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/activesupport-4.2.0/lib/active_support/dependencies.rb:240:in `load_dependency'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/activesupport-4.2.0/lib/active_support/dependencies.rb:274:in `require'
  from /Users/ericxavierdoyle/Eric_Dev/ElliotWhyte/zumin-share/config.ru:3:in `block in <main>'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/builder.rb:55:in `instance_eval'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/builder.rb:55:in `initialize'
  from /Users/ericxavierdoyle/Eric_Dev/ElliotWhyte/zumin-share/config.ru:in `new'
  from /Users/ericxavierdoyle/Eric_Dev/ElliotWhyte/zumin-share/config.ru:in `<main>'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/builder.rb:49:in `eval'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/builder.rb:49:in `new_from_string'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/builder.rb:40:in `parse_file'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/server.rb:299:in `build_app_and_options_from_config'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/server.rb:208:in `app'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/commands/server.rb:61:in `app'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/server.rb:336:in `wrapped_app'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/commands/server.rb:139:in `log_to_stdout'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/commands/server.rb:78:in `start'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/commands/commands_tasks.rb:80:in `block in server'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/commands/commands_tasks.rb:75:in `tap'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/commands/commands_tasks.rb:75:in `server'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/commands.rb:17:in `<top (required)>'
  from /Users/ericxavierdoyle/Eric_Dev/ElliotWhyte/zumin-share/bin/rails:8:in `require'
  from /Users/ericxavierdoyle/Eric_Dev/ElliotWhyte/zumin-share/bin/rails:8:in `<top (required)>'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/spring-1.2.0/lib/spring/client/rails.rb:27:in `load'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/spring-1.2.0/lib/spring/client/rails.rb:27:in `call'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/spring-1.2.0/lib/spring/client/command.rb:7:in `call'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/spring-1.2.0/lib/spring/client.rb:26:in `run'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/spring-1.2.0/bin/spring:48:in `<top (required)>'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/spring-1.2.0/lib/spring/binstub.rb:11:in `load'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/spring-1.2.0/lib/spring/binstub.rb:11:in `<top (required)>'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require'
  from /usr/local/var/rbenv/versions/2.2.3/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require'
  from /Users/ericxavierdoyle/Eric_Dev/ElliotWhyte/zumin-share/bin/spring:16:in `<top (required)>'
  from bin/rails:3:in `load'
  from bin/rails:3:in `<main>'

我做错了什么？

1 个答案:

答案 0 :(得分：0)

你的.ruby-version文件被rbenv用来检测要使用的Ruby版本（除了查看这个文件外，rbenv还可以查看RBENV_VERSION环境变量，如果已经指定了，还有一些其他文件）。所以在你的情况下，指定的Ruby版本是2.1.2并且由于它没有安装在你的系统上，rbenv抱怨了这一点，但是由于rbenv在其他几个地方查找以检测要使用的Ruby版本，因此发现了一些其他版本和用它来运行你的代码。 安装版本2.1.2后，您的系统现在已经在.ruby-version中定义了版本，rbenv将使用它来运行您的代码，但由于您的宝石是为2.1.2之前使用的Ruby版本安装的，因此您可以使用它。我会得到错误。至少我认为发生了什么事情，如果一些有经验的程序员能对此发表评论，那就太好了。

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