when I run this command I got this error plz any one can help me
Created by: gpkarthick
karthik@dev1:~/Desktop/Untitled Folder/samplepro1$ rails s
=> Booting WEBrick
=> Rails 3.2.13 application starting in development on http://0.0.0.0:3000
=> Call with -d to detach
=> Ctrl-C to shutdown server
[2013-04-02 09:53:10] INFO WEBrick 1.3.1
[2013-04-02 09:53:10] INFO ruby 1.9.3 (2012-04-20) [x86_64-linux]
[2013-04-02 09:53:10] WARN TCPServer Error: Address already in use - bind(2)
Exiting
/usr/lib/ruby/1.9.1/webrick/utils.rb:85:in initialize': Address already in use - bind(2) (Errno::EADDRINUSE) from /usr/lib/ruby/1.9.1/webrick/utils.rb:85:innew'
from /usr/lib/ruby/1.9.1/webrick/utils.rb:85:in block in create_listeners' from /usr/lib/ruby/1.9.1/webrick/utils.rb:82:ineach'
from /usr/lib/ruby/1.9.1/webrick/utils.rb:82:in create_listeners' from /usr/lib/ruby/1.9.1/webrick/server.rb:82:inlisten'
from /usr/lib/ruby/1.9.1/webrick/server.rb:70:in initialize' from /usr/lib/ruby/1.9.1/webrick/httpserver.rb:45:ininitialize'
from /var/lib/gems/1.9.1/gems/rack-1.4.5/lib/rack/handler/webrick.rb:10:in new' from /var/lib/gems/1.9.1/gems/rack-1.4.5/lib/rack/handler/webrick.rb:10:inrun'
from /var/lib/gems/1.9.1/gems/rack-1.4.5/lib/rack/server.rb:268:in start' from /var/lib/gems/1.9.1/gems/railties-3.2.13/lib/rails/commands/server.rb:70:instart'
from /var/lib/gems/1.9.1/gems/railties-3.2.13/lib/rails/commands.rb:55:in block in <top (required)>' from /var/lib/gems/1.9.1/gems/railties-3.2.13/lib/rails/commands.rb:50:intap'
from /var/lib/gems/1.9.1/gems/railties-3.2.13/lib/rails/commands.rb:50:in <top (required)>' from script/rails:6:inrequire'
from script/rails:6:in `'