# Please find this problem

**URL:** <https://www.ruby-forum.com/t/please-find-this-problem/180998>\
**Category:** Ruby\
**Created:** [January 3, 2010, 1:07pm UTC](https://www.ruby-forum.com/t/please-find-this-problem/180998 "2010-01-03T13:07:54Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![ash](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/f19dbf/32.png) [@ash](https://www.ruby-forum.com/u/ash)\
**Post date:** [January 3, 2010, 1:07pm UTC](https://www.ruby-forum.com/t/please-find-this-problem/180998/1 "2010-01-03T13:07:54Z")

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/usr/lib/ruby/1.8/mongrel/tcphack.rb:12:in `initialize\_without\_backlog’:  
Address already in use - bind(2) (Errno::EADDRINUSE)

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**Author:** ![ash](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/f19dbf/32.png) [@ash](https://www.ruby-forum.com/u/ash)\
**Post date:** [January 3, 2010, 1:19pm UTC](https://www.ruby-forum.com/t/please-find-this-problem/180998/2 "2010-01-03T13:19:45Z")

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Ashok Bhandari :

> /usr/lib/ruby/1.8/mongrel/tcphack.rb:12:in `initialize\_without\_backlog’:  
> Address already in use - bind(2) (Errno::EADDRINUSE)

That means a socket can’t bind to an address/port.

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**Author:** ![ash](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/f19dbf/32.png) [@ash](https://www.ruby-forum.com/u/ash)\
**Post date:** [January 3, 2010, 1:31pm UTC](https://www.ruby-forum.com/t/please-find-this-problem/180998/3 "2010-01-03T13:31:28Z")

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Jeff P.:

> Ashok Bhandari :
> 
> > /usr/lib/ruby/1.8/mongrel/tcphack.rb:12:in `initialize\_without\_backlog’:  
> > Address already in use - bind(2) (Errno::EADDRINUSE)
> 
> That means a socket can’t bind to an address/port.

sorry forgot to mention, this happens due to the address/port have been  
used by others as the warnings said.

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**Author:** ![ash](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/f19dbf/32.png) [@ash](https://www.ruby-forum.com/u/ash)\
**Post date:** [January 5, 2010, 6:14am UTC](https://www.ruby-forum.com/t/please-find-this-problem/180998/4 "2010-01-05T06:14:12Z")

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Ashok Bhandari wrote:

> /usr/lib/ruby/1.8/mongrel/tcphack.rb:12:in `initialize\_without\_backlog’:  
> Address already in use - bind(2) (Errno::EADDRINUSE)

You may have started another mongrel / web server on the same ip:port  
already. stop the server first then try again.