# Mongrel cluster with prefix

**URL:** <https://www.ruby-forum.com/t/mongrel-cluster-with-prefix/169158>\
**Category:** Mongrel\
**Created:** [May 30, 2009, 1:23pm UTC](https://www.ruby-forum.com/t/mongrel-cluster-with-prefix/169158 "2009-05-30T13:23:18Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![xinu](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/x/f6c823/32.png) [@xinu](https://www.ruby-forum.com/u/xinu)\
**Post date:** [May 30, 2009, 1:23pm UTC](https://www.ruby-forum.com/t/mongrel-cluster-with-prefix/169158/1 "2009-05-30T13:23:18Z")

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If i try to start mongrel\_cluster with a prefix a receive this error  
message.

/usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active\_support/dependencies.rb:440:in  
`load\_missing\_constant’: uninitialized constant  
ActionController::AbstractRequest (NameError)

Without a prefix Mongrel Cluster works fine.

Can anyone help me.

thanks  
Michael

---

<div class="post-metadata">

**Author:** ![xinu](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/x/f6c823/32.png) [@xinu](https://www.ruby-forum.com/u/xinu)\
**Post date:** [May 31, 2009, 2:37pm UTC](https://www.ruby-forum.com/t/mongrel-cluster-with-prefix/169158/2 "2009-05-31T14:37:20Z")

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On 5/30/09 7:23 AM, Michael .. wrote:

> thanks  
> Michael

Michael,

I had the same problem awhile back too when I upgraded an app to rails  
2.2.2 from 2.1.0. To fix it I applied this patch -  
[http://mongrel.rubyforge.org/attachment/ticket/45/fix\_relative\_url\_root\_rails\_2.1.1.patch](http://mongrel.rubyforge.org/attachment/ticket/45/fix_relative_url_root_rails_2.1.1.patch)  
to mongrel in order to get it to work with the --patch option.

-Roy