# Stack Too Deep

**URL:** <https://discuss.rubyonrails.org/t/stack-too-deep/31562>\
**Category:** rubyonrails-talk\
**Created:** [July 8, 2008, 1:09pm UTC](https://discuss.rubyonrails.org/t/stack-too-deep/31562 "2008-07-08T13:09:34Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Frederick\_Cheung](https://sea2.discourse-cdn.com/rubyonrails/user_avatar/discuss.rubyonrails.org/frederick_cheung/32/3901_2.png) [@Frederick\_Cheung](https://discuss.rubyonrails.org/u/Frederick_Cheung)\
**Post date:** [July 8, 2008, 1:09pm UTC](https://discuss.rubyonrails.org/t/stack-too-deep/31562/1 "2008-07-08T13:09:34Z")

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> I am using
> 
> redirect\_to :back for my login form. It works perfectly.
> 
> However when I ran some tests I got errors.
> 
> No HTTP\_REFERER was set in the request to this action,so redirect\_to :back could not be called successfully. If this is a test, make sure  
> to specify request.env["HTTP\_REFERER"]

I think what this means is that in the setup of your test you should  
set what the referer is (ie @request.env["HTTP\_REFERER"] = "[http://something.example.com](http://something.example.com) " )

Fred

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**Author:** ![11175](https://avatars.discourse-cdn.com/v4/letter/1/8edcca/32.png) [@11175](https://discuss.rubyonrails.org/u/11175)\
**Post date:** [July 9, 2008, 1:07am UTC](https://discuss.rubyonrails.org/t/stack-too-deep/31562/2 "2008-07-09T01:07:50Z")

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Frederick Cheung wrote: