ruby-on-rails-3 – 无法启动webbrick – TCPServer错误：地址已

$rails server --binding=127.0.0.1
=> Booting WEBrick
=> Rails 3.1.1 application starting in development on http://127.0.0.1:3000
=> Call with -d to detach
=> Ctrl-C to shutdown server
[2012-04-04 13:02:35] INFO  WEBrick 1.3.1
[2012-04-04 13:02:35] INFO  ruby 1.9.2 (2011-07-09) [x86_64-darwin10.8.0]
[2012-04-04 13:02:35] WARN  TCPServer Error: Address already in use - bind(2)
Exiting
/Users/TravisKs/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/utils.rb:73:in `initialize': Address already in use - bind(2) (Errno::EADDRINUSE)
from /Users/TravisKs/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/utils.rb:73:in `new'
from /Users/TravisKs/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/utils.rb:73:in `block in create_listeners'
from /Users/TravisKs/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/utils.rb:70:in `each'
from /Users/TravisKs/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/utils.rb:70:in `create_listeners'
from /Users/TravisKs/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/server.rb:74:in `listen'
from /Users/TravisKs/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/server.rb:62:in `initialize'
from /Users/TravisKs/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/httpserver.rb:24:in `initialize'
from /Users/TravisKs/.rvm/gems/ruby-1.9.2-p290@rvm-gemset-name/gems/rack-1.3.5/lib/rack/handler/webrick.rb:10:in `new' 
from /Users/TravisKs/.rvm/gems/ruby-1.9.2-p290@rvm-gemset-name/gems/rack-1.3.5/lib/rack/handler/webrick.rb:10:in `run' 
from /Users/TravisKs/.rvm/gems/ruby-1.9.2-p290@rvm-gemset-name/gems/rack-1.3.5/lib/rack/server.rb:265:in `start'
from /Users/TravisKs/.rvm/gems/ruby-1.9.2-p290@rvm-gemset-name/gems/railties-3.1.1/lib/rails/commands/server.rb:70:in `start'
from /Users/TravisKs/.rvm/gems/ruby-1.9.2-p290@rvm-gemset-name/gems/railties-3.1.1/lib/rails/commands.rb:54:in `block in <top (required)>'
from /Users/TravisKs/.rvm/gems/ruby-1.9.2-p290@rvm-gemset-name/gems/railties-3.1.1/lib/rails/commands.rb:49:in `tap' 
from /Users/TravisKs/.rvm/gems/ruby-1.9.2-p290@rvm-gemset-name/gems/railties-3.1.1/lib/rails/commands.rb:49:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'

重新启动我的机器后,我仍然遇到这个问题.我已经使用Rails查看了TCPServer错误的其他SO帖子.

ps -eo pid,ppid,user,args,stat

不返回rails的结果

ps aux

不返回任何Zombie Processes(stat列中的Z)或Rails服务器.

这对我来说很奇怪,因为一切都很好.我切换了一个gemset,重新安装了Rails 3.1.1,现在我无法运行它.