vis*_*nth 6 ruby ruby-on-rails
每次我尝试在Windows中生成Rails控制器时，都会在生成必要文件后启动服务器。
$ rails g controller supprefresh index process
io/console not supported; tty will not be manipulated
C:/Rubies/jruby-1.7.9/lib/ruby/shared/Win32API.rb:11 warning: warning: variable $KCODE is no longer effective
create app/controllers/supprefresh_controller.rb
route get "supprefresh/process"
route get "supprefresh/index"
invoke erb
create app/views/supprefresh
create app/views/supprefresh/index.html.erb
create app/views/supprefresh/process.html.erb
invoke rspec
create spec/controllers/supprefresh_controller_spec.rb
create spec/views/supprefresh
create spec/views/supprefresh/index.html.erb_spec.rb
create spec/views/supprefresh/process.html.erb_spec.rb
invoke helper
create app/helpers/supprefresh_helper.rb
invoke rspec
create spec/helpers/supprefresh_helper_spec.rb
invoke assets
invoke coffee
create app/assets/javascripts/supprefresh.js.coffee
invoke scss
create app/assets/stylesheets/supprefresh.css.scss
[2019-04-09 16:18:34] INFO WEBrick 1.3.1
[2019-04-09 16:18:34] INFO ruby 2.0.0 (2013-12-06) [java]
[2019-04-09 16:18:34] WARN TCPServer Error: Address already in use - bind - Address already in use: bind
== Someone is already performing on port 4567!
我在Windows上使用Jruby 1.7运行Rails 4
这是什么原因呢？