Can't render an HTML within a Rails 3 view

I'm trying to display an html file that is uploaded with Carrierwave with:

<%= render :file => "#{@result.result_url}"  %>

But I get Missing template /results/100602f010.htm

I've tried :template => fa开发者_运维百科lse, but that doesn't work either. Any ideas?

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render :file => "foo" expects an absolute path by default, so unless you really have a root directory in your file system called /results your path is incomplete.