=>启动WEBrick => Rails 4.0.0应用程序在开发时开始http://0.0.0.0:3000 =>运行 rails server -h 以获取更多启动选项=> Ctrl-C关闭服务器退出/home/rank/.rvm/rubies/ruby-2.0.0-p643 /lib/ruby/2.0.0/fileutils.rb:245:in mkdir': File exists - /home/rank/rails/chethan/specslot/tmp/pids (Errno::EEXIST) from /home/rank/.rvm/rubies/ruby-2.0.0-p643/lib/ruby/2.0.0/fileutils.rb:245:in fu_mkdir'来自/home/rank/.rvm/rubies/ruby-2.0.0-p643/lib/ruby/2.0.0/fileutils.rb： 219：in /1450228_ reverse_each'from /home/rank/.rvm/rubies/ruby-2.0.0-p643/lib/ruby/2.0.0/fileutils.rb:217:in block in mkdir_p' from /home/rank/.rvm/rubies/ruby-2.0.0-p643/lib/ruby/2.0.0/fileutils.rb:203:in each'from / home / rank / . rvm / rubies / ruby-2.0.0-p643 / lib / ruby / 2.0.0 / fileutils.rb：203：in -1450230_ block in start'from /home/rank/.rvm/gems/ruby-2.0.0-p643 /gems/railties-4.0.0/lib/rails/commands/server.rb:70:in each' from /home/rank/.rvm/gems/ruby-2.0.0-p643/gems/railties-4.0.0/lib/rails/commands/server.rb:70:in start'from /home/rank/.rvm/gems/ruby-2.0.0-p643/gems/railties-4.0 . 0 / lib / rails / commands.rb:78:in block in <top (required)>' from /home/rank/.rvm/gems/ruby-2.0.0-p643/gems/railties-4.0.0/lib/rails/commands.rb:73:in tap from from /home/rank/.rvm/gems/ruby-2.0.0-p643/gems/railties-4.0.0/lib/rails/commands.rb ：73：在 <top (required)>' from bin/rails:4:in 中要求' from bin/rails:4:in `'
2 回答
看起来还有另一份
rails server正在运行的副本 .删除/ home / rank / rails / chethan / specslot / tmp / pids并尝试再次启动服务器 . 看起来你最近紧急关闭了你的机器