# Upgrading problems, 2.3.5 -\> 2.3.8

**URL:** <https://www.ruby-forum.com/t/upgrading-problems-2-3-5-2-3-8/189372>\
**Category:** Rails\
**Created:** [May 30, 2010, 3:18am UTC](https://www.ruby-forum.com/t/upgrading-problems-2-3-5-2-3-8/189372 "2010-05-30T03:18:07Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![deviated](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/c89c15/32.png) [@deviated](https://www.ruby-forum.com/u/deviated)\
**Post date:** [May 30, 2010, 3:18am UTC](https://www.ruby-forum.com/t/upgrading-problems-2-3-5-2-3-8/189372/1 "2010-05-30T03:18:07Z")

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Ever since I updated rails to 2.3.8, script/server exits right after it  
starts.  
Here’s the output

=\> Ctrl-C to shutdown server  
[2010-05-29 18:14:58] INFO WEBrick 1.3.1  
[2010-05-29 18:14:58] INFO ruby 1.9.1 (2009-01-30) [i686-linux]  
[2010-05-29 18:14:58] WARN TCPServer Error: Address already in use -  
bind(2)  
Exiting  
/usr/local/lib/ruby/1.9.1/webrick/utils.rb:73:in `initialize': Address already in use - bind(2) (Errno::EADDRINUSE) from /usr/local/lib/ruby/1.9.1/webrick/utils.rb:73:in`new’  
from /usr/local/lib/ruby/1.9.1/webrick/utils.rb:73:in `block in create_listeners' from /usr/local/lib/ruby/1.9.1/webrick/utils.rb:70:in`each’  
from /usr/local/lib/ruby/1.9.1/webrick/utils.rb:70:in  
`create_listeners' from /usr/local/lib/ruby/1.9.1/webrick/server.rb:74:in`listen’  
from /usr/local/lib/ruby/1.9.1/webrick/server.rb:62:in `initialize' from /usr/local/lib/ruby/1.9.1/webrick/httpserver.rb:24:in`initialize’  
from  
/usr/local/lib/ruby/gems/1.9.1/gems/rack-1.0.1/lib/rack/handler/webrick.rb:10:in  
`new' from /usr/local/lib/ruby/gems/1.9.1/gems/rack-1.0.1/lib/rack/handler/webrick.rb:10:in`run’  
from  
/usr/local/lib/ruby/gems/1.9.1/gems/rails-2.3.5/lib/commands/server.rb:111:in  
`<top (required)>' from script/server:3:in`require’  
from script/server:3:in `’

I think the problem is with bind, but I have no idea what to do with it.  
Thanks in advance

---

<div class="post-metadata">

**Author:** ![deviated](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/c89c15/32.png) [@deviated](https://www.ruby-forum.com/u/deviated)\
**Post date:** [May 30, 2010, 3:55am UTC](https://www.ruby-forum.com/t/upgrading-problems-2-3-5-2-3-8/189372/2 "2010-05-30T03:55:56Z")

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On Sat, May 29, 2010 at 6:18 PM, Omar M. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)  
wrote:

> Ever since I updated rails to 2.3.8, script/server exits right after it  
> starts.

> [2010-05-29 18:14:58] WARN TCPServer Error: Address already in use -  
> bind(2)  
> Exiting  
> /usr/local/lib/ruby/1.9.1/webrick/utils.rb:73:in `initialize’: Address  
> already in use - bind(2) (Errno::EADDRINUSE)

It means exactly what it says: you have another process, probably  
a previous instance of webrick, already running on the port that your  
new instance is trying to bind to.

Find it and kill it.

`man netstat` might be of help if you have trouble figuring out which  
process id is responsible.

## HTH,

Hassan S. ------------------------ removed\_email\_address@domain.invalid  
twitter: @hassan