我一直在嘗試使用命令軌服務器 但運行我的Rails應用程序最近，這種錯誤已經上來了：Ruby on Rails的服務器沒有啓動
的Mac-的MacBook-PRO：jobsboard MAC $軌服務器 =>引導彪馬 => Rails的5.0.0.1應用開發開始於http://localhost:3000 =>運行
rails server -h更多的啓動選項Puma在單一模式下啓動... *版本3.6.0（紅寶石2.3.0-P0 ），代號：Sleepy Sunday Serenity *最少線程：5，最多線程：5 *環境：developmen t *聽取tcp：// localhost：3000正在退出/Users/mac/.rvm/gems/ruby-2.3.0/gems/puma-3.6.0/lib/puma/binder.rb:266:ininitialize': 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新「 /Users/mac/.rvm/gems/ruby-2.3.0/gems/puma-3.6.0/lib/puma/binder.rb:266:inadd_tcp_listener' from /Users/mac/.rvm/gems/ruby-2.3.0/gems/puma-3.6.0/lib/puma/binder.rb:260:inblock in add_tcp_listener'from /Users/mac/.rvm/gems/ruby-2.3.0/gems/puma-3.6.0/lib/puma/binder.rb：259：each' from /Users/mac/.rvm/gems/ruby-2.3.0/gems/puma-3.6.0/lib/puma/binder.rb:259:inadd_tcp_listener'from /Users/mac/.rvm/gems/ruby- 2.3.0/gems/puma-3.6.0/lib/puma/binder.rb：102：在block in parse' from /Users/mac/.rvm/gems/ruby-2.3.0/gems/puma-3.6.0/lib/puma/binder.rb:85:in每個'從 /Users/mac/.rvm/gems/ruby-2.3.0/gems/puma-3.6 .0/lib/puma/binder.rb：85：在parse' from /Users/mac/.rvm/gems/ruby-2.3.0/gems/puma-3.6.0/lib/puma/runner.rb:133:inload_and_bind'從 /Users/mac/.rvm/gems/ruby-2.3.0/gems/puma-3.6.0/lib/puma/single.rb:85:inrun' from /Users/mac/.rvm/gems/ruby-2.3.0/gems/puma-3.6.0/lib/puma/launcher.rb:172:inrun'from /Users/mac/.rvm/ gems/ruby-2.3.0/gems/puma-3.6.0/lib/rack/handler/puma.rb：51：inrun' from /Users/mac/.rvm/gems/ruby-2.3.0/gems/rack-2.0.1/lib/rack/server.rb:296:instart'from /Users/mac/.rvm/gems/ruby-2.3.0 /gems/railties-5.0.0.1/lib/rails/commands/server.rb:79:instart' from /Users/mac/.rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/commands/commands_tasks.rb:90:inblock in server'from /Users/mac/.rvm/gems/ruby-2.3.0/gems/railties- 5.0.0.1/lib/rails/commands/commands_tasks.rb:85:intap' from /Users/mac/.rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/commands/commands_tasks.rb:85:inserver'from /Users/mac/.rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/命令/ commands_tasks.rb：49：在run_command!' from /Users/mac/.rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/commands.rb:18:in'from/Users/mac/Documents/Projects/Web 開發/ Ruby On Rails/Jobs Board/jobsboard/bin/rail s：9：require' from /Users/mac/Documents/Projects/Web Development/Ruby On Rails/Jobs Board/jobsboard/bin/rails:9:in'from /Users/mac/.rvm/gems/ruby-2.3.0/gems/spring-1.7.2/lib/spring/client/rails.rb:28:inload' from /Users/mac/.rvm/gems/ruby-2.3.0/gems/spring-1.7.2/lib/spring/client/rails.rb:28:incall 'from /Users/mac/.rvm/gems/ruby-2.3.0/gems/spring-1.7.2/lib/spring/client/command.rb:7:incall' from /Users/mac/.rvm/gems/ruby-2.3.0/gems/spring-1.7.2/lib/spring/client.rb:30:inrun'from /Users/mac /.rvm/gems/ruby-2.3.0/gems/spring-1.7.2/bin/spring:49:in<top (required)>' from /Users/mac/.rvm/gems/ruby-2.3.0/gems/spring-1.7.2/lib/spring/binstub.rb:11:in加載'from /Users/mac/.rvm/gems/ruby-2.3.0/gems /spring-1.7.2/lib/spring/binstub.rb:11:in<top (required)>' from /Users/mac/Documents/Projects/Web Development/Ruby On Rails/Jobs Board/jobsboard/bin/spring:13:in需要'from/Users/mac/Documents/Projects/Web Development/Ruby On Rails/Jobs Board/jobsboard/bin/spring：13 ：在<top (required)>' from bin/rails:3:in加載'從bin/rails：3：in `」
我可以解決此通過指定不同的端口 - 即使用命令‘
軌服務器-p 4000
’，但我想用我的舊部署它的方式。我該如何解決它？
附：我是Rails的新手，所以請給出簡單的說明。 ：p讚賞很多傢伙！謝謝！
增加：
上次登錄：週四09月15日13點55分52秒上ttys000的Mac-的MacBook-PRO：的Ruby on Rails的 MAC $的ps aux | grep rails mac 1040 0.0 0.0 2445080 800 s003 S + 2:02 PM 0：00.00 grep rails mac
1020 0.0 0.0 2471272 3052 s000 S + 2:02 PM 0：00.01 /Users/mac/.rvm/gems/ruby-2.3。 0/gems/rb-fsevent-0.9.7/bin/fsevent_watch --latency 0.1 /Users/mac/.rvm/gems/ruby-2.3.0/gems/jquery-rails-4.2.1 mac 1019 0.0 0.0 2462056 3032 s000 S + 2:02 PM
0：00.01 /Users/mac/.rvm/gems/ruby-2.3.0/gems/rb-fsevent-0.9.7/bin/fsevent_watch --latency 0.1/Users/mac /.rvm/gems/ruby-2.3.0/gems/coffee-rails-4.2.1的Mac-的MacBook-PRO：Ruby on Rails的MAC $