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无法在Windows上运行Rails服务器

[英]Cannot run rails server on windows

 原文  2013-09-01 08:07:10  9   1    ruby-on-rails/ ruby

问题描述

I'm working on getting my first rails application, but for whatever reason, when I run the command $rails server, my terminal throws back this error: 我正在获取第一个Rails应用程序，但是由于任何原因，当我运行命令$ rails server时，我的终端都会抛出此错误： 

C:\Sites\blog>rails server
=> Booting WEBrick
=> Rails 3.2.13 application starting in development on http://0.0.0.0:3000
=> Call with -d to detach
=> Ctrl-C to shutdown server
Exiting
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.3.4/lib/bundler/r
ubygems_integration.rb:214:in `block in replace_gem': Please install the mysql2
adapter: `gem install activerecord-mysql2-adapter` (mysql2 is not part of the bu
ndle. Add it to Gemfile.) (LoadError)
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activerecord-3
.2.13/lib/active_record/connection_adapters/mysql2_adapter.rb:3:in `<top (requir
ed)>'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-
3.2.13/lib/active_support/dependencies.rb:251:in `require'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-
3.2.13/lib/active_support/dependencies.rb:251:in `block in require'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-
3.2.13/lib/active_support/dependencies.rb:236:in `load_dependency'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-
3.2.13/lib/active_support/dependencies.rb:251:in `require'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activerecord-3
.2.13/lib/active_record/connection_adapters/abstract/connection_specification.rb
:50:in `resolve_hash_connection'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activerecord-3
.2.13/lib/active_record/connection_adapters/abstract/connection_specification.rb
:41:in `resolve_string_connection'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activerecord-3
.2.13/lib/active_record/connection_adapters/abstract/connection_specification.rb
:25:in `spec'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activerecord-3
.2.13/lib/active_record/connection_adapters/abstract/connection_specification.rb
:130:in `establish_connection'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activerecord-3
.2.13/lib/active_record/railtie.rb:82:in `block (2 levels) in <class:Railtie>'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-
3.2.13/lib/active_support/lazy_load_hooks.rb:36:in `instance_eval'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-
3.2.13/lib/active_support/lazy_load_hooks.rb:36:in `execute_hook'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-
3.2.13/lib/active_support/lazy_load_hooks.rb:43:in `block in run_load_hooks'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-
3.2.13/lib/active_support/lazy_load_hooks.rb:42:in `each'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-
3.2.13/lib/active_support/lazy_load_hooks.rb:42:in `run_load_hooks'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activerecord-3
.2.13/lib/active_record/base.rb:720:in `<top (required)>'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activerecord-3
.2.13/lib/active_record/railtie.rb:88:in `block in <class:Railtie>'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.1
3/lib/rails/initializable.rb:30:in `instance_exec'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.1
3/lib/rails/initializable.rb:30:in `run'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.1
3/lib/rails/initializable.rb:55:in `block in run_initializers'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.1
3/lib/rails/initializable.rb:54:in `each'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.1
3/lib/rails/initializable.rb:54:in `run_initializers'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.1
3/lib/rails/application.rb:136:in `initialize!'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.1
3/lib/rails/railtie/configurable.rb:30:in `method_missing'
        from C:/Sites/blog/config/environment.rb:5:in `<top (required)>'
        from C:/Sites/blog/config.ru:3:in `require'
        from C:/Sites/blog/config.ru:3:in `block in <main>'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.4.5/lib
/rack/builder.rb:51:in `instance_eval'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.4.5/lib
/rack/builder.rb:51:in `initialize'
        from C:/Sites/blog/config.ru:in `new'
        from C:/Sites/blog/config.ru:in `<main>'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.4.5/lib
/rack/builder.rb:40:in `eval'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.4.5/lib
/rack/builder.rb:40:in `parse_file'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.4.5/lib
/rack/server.rb:200:in `app'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.1
3/lib/rails/commands/server.rb:46:in `app'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.4.5/lib
/rack/server.rb:304:in `wrapped_app'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.4.5/lib
/rack/server.rb:254:in `start'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.1
3/lib/rails/commands/server.rb:70:in `start'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.1
3/lib/rails/commands.rb:55:in `block in <top (required)>'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.1
3/lib/rails/commands.rb:50:in `tap'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.1
3/lib/rails/commands.rb:50:in `<top (required)>'
        from script/rails:6:in `require'
        from script/rails:6:in `<main>'

How can I solve the problem? 我该如何解决这个问题？ My Ruby version: ruby 1.9.3p392 (2013-02-22) [i386-mingw32] Rails version: 3.2.13 gem --version: 1.8.24 我的Ruby版本：ruby 1.9.3p392（2013-02-22）[i386-mingw32] Rails版本：3.2.13 gem --version：1.8.24

1 个解决方案

解决方案1
 1 已采纳  2013-09-01 08:12:14

Ok, let's see what is written in the output. 好的，让我们看看输出中写了什么。

mysql2 is not part of the bundle. mysql2不属于捆绑包。 Add it to Gemfile. 将其添加到Gemfile。

I think it means that mysql2 is not part of the bundle, and you should add it to Gemfile in order to fix this error. 我认为这意味着mysql2不属于捆绑包，您应该将其添加到Gemfile中以修复此错误。

Open Gemfile, add gem 'mysql2' to it, run bundle install , rake db:create && rake db:migrate , and then bundle exec rails server . 打开Gemfile，向其添加gem'mysql2 gem 'mysql2' ，运行bundle install ， rake db:create && rake db:migrate ，然后bundle exec rails server 。

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