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Ruby on Rails服务器未启动

我一直在尝试使用命令Rails服务器运行我的Rails应用程序,但是最近出现了此错误:

Macs-MacBook-Pro:jobsboard mac $ rails服务器=>正在引导Puma =>正在http:// localhost:3000上开发中启动的Rails 5.0.0.1应用程序 =>运行rails server -h更多启动选项Puma以单模式启动... *版本3.6.0(红宝石2.3.0-p0),代号:Sleepy Sunday Serenity *最小线程数:5,最大线程数:5 *环境:开发中*正在监听tcp:// localhost:3000退出/Users/mac/.rvm/ gems / ruby​​-2.3.0 / gems / puma-3.6.0 / lib / puma / binder.rb:266:in initialize': Address already in use - bind(2) for "::1" port 3000 (Errno::EADDRINUSE) from /Users/mac/.rvm/gems/ruby-2.3.0/gems/puma-3.6.0/lib/puma/binder.rb:266:in new'from /Users/mac/.rvm/gems/ruby-2.3.0/gems/puma- 3.6.0 / lib / puma / binder.rb:266: add_tcp_listener' from /Users/mac/.rvm/gems/ruby-2.3.0/gems/puma-3.6.0/lib/puma/binder.rb:260:in 在/Users/mac/.rvm/gems/ruby-2.3.0/gems/puma-3.6.0/lib/puma/binder的add_tcp_listener中。 rb:259:in each' from /Users/mac/.rvm/gems/ruby-2.3.0/gems/puma-3.6.0/lib/puma/binder.rb:259:in /Users/mac/.rvm/gems/ruby-2.3.0/gems/puma-3.6.0/lib/puma/binder.rb中的add_tcp_listener':102: block in parse' from /Users/mac/.rvm/gems/ruby-2.3.0/gems/puma-3.6.0/lib/puma/binder.rb:85:in 分别位于/Users/mac/.rvm/gems中/ruby-2.3.0/gems/puma-3.6.0/lib/puma/binder.rb:85:in parse' from /Users/mac/.rvm/gems/ruby-2.3.0/gems/puma-3.6.0/lib/puma/runner.rb:133:in load_and_bind'from /Users/mac/.rvm/gems/ruby-2.3.0/gems/puma-3.6 .0 / lib …

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