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POmodel missing required attr_accessor for 'photo_file_name' when uploading with paperclip and S3 on heroku
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copied!<p>Setting up paperclip with S3 in my linux dev environment was a snap -- everything works out of the box. However, I can't get it to work on Heroku.</p> <p>When I try to do an upload, the log shows:</p> <pre><code>Processing ItemsController#create (for 72.177.97.9 at 2010-08-26 16:35:14) [POST] Parameters: {"commit"=>"Create", "authenticity_token"=>"0Hy3qvQBHE1gvFVaq32HMy2ZIopelV0BHbrSeHkO1Qw=", "item"=>{"photo"=>#<File:/home/slugs/270862_4aa601b_4b6f/mnt/tmp/RackMultipart20100826-6286-1256pvc-0>, "price"=>"342", "name"=>"a new item", "description"=>"a new item", "sold"=>"0"}} Paperclip::PaperclipError (Item model missing required attr_accessor for 'photo_file_name'): </code></pre> <p>I found one blog post that referenced this error, and it said to add this to my model:</p> <pre><code>attr_accessor :photo_file_name attr_accessor :photo_content_type attr_accessor :photo_file_size attr_accessor :photo_updated_at </code></pre> <p>That does indeed make the <strong>model missing required attr_accessor for 'photo_file_name'</strong> error go away, but it still doesn't work. See <a href="https://stackoverflow.com/questions/3575812/no-route-matches-with-paperclip-and-s3-on-heroku">my other question</a> for details. As I have figured out that with the attr_accessor lines added to my model the uploads fail even on my dev system, I suspect that is not the right answer.</p>

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