# Changing the port no to start the server

**URL:** <https://www.ruby-forum.com/t/changing-the-port-no-to-start-the-server/92319>\
**Category:** Rails\
**Created:** [April 18, 2007, 8:08am UTC](https://www.ruby-forum.com/t/changing-the-port-no-to-start-the-server/92319 "2007-04-18T08:08:46Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![thameem](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/f9ae1b/32.png) [@thameem](https://www.ruby-forum.com/u/thameem)\
**Post date:** [April 18, 2007, 8:08am UTC](https://www.ruby-forum.com/t/changing-the-port-no-to-start-the-server/92319/1 "2007-04-18T08:08:46Z")

</div>

hi flocks,

[http://localhost:3000](http://localhost:3000) is already binded to another application how i can  
te port no… or how can i release the port… plz help…

plz help me…

when i am trying to start the server i am getting the following error  
the address is already binded plz help me to release the address…  
there are no such application which takes the this address… plz help  
me to release the address…

$ruby script/server  
=\> Booting WEBrick…  
=\> Rails application started on [http://0.0.0.0:3000](http://0.0.0.0:3000)  
=\> Ctrl-C to shutdown server; call with --help for options  
[2007-04-17 16:02:20] INFO WEBrick 1.3.1  
[2007-04-17 16:02:20] INFO ruby 1.8.6 (2007-03-13) [i686-linux]  
[2007-04-17 16:02:20] WARN TCPServer Error: Address already in use -  
bind(2)  
/usr/local/lib/ruby/1.8/webrick/utils.rb:73:in `initialize': Address already in use - bind(2) (Errno::EADDRINUSE) from /usr/local/lib/ruby/1.8/webrick/utils.rb:73:in `new’  
from /usr/local/lib/ruby/1.8/webrick/utils.rb:73:in  
`create_listeners' from /usr/local/lib/ruby/1.8/webrick/utils.rb:70:in `each’  
from /usr/local/lib/ruby/1.8/webrick/utils.rb:70:in  
`create_listeners' from /usr/local/lib/ruby/1.8/webrick/server.rb:75:in `listen’  
from /usr/local/lib/ruby/1.8/webrick/server.rb:63:in  
`initialize' from /usr/local/lib/ruby/1.8/webrick/httpserver.rb:24:in `initialize’  
from  
/usr/local/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/webrick\_server.rb:58:in  
`new' ... 7 levels... from /usr/local/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/commands/server.rb:39 from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem\_original\_require’  
from  
/usr/local/lib/ruby/site\_ruby/1.8/rubygems/custom\_require.rb:27:in  
`require’  
from script/server:3

Thanks