Rails paperclip img upload error: “no file chosen” with rmagick installed

问题

I can't get to upload images using paperclip. Whenever I choose the file and submit the page reloads and says "no file chosen".

My code trip.rb

    class Trip < ActiveRecord::Base
       has_many :images
       accepts_nested_attributes_for :images, :allow_destroy => true
       attr_accessible :messages_attributes
    end

The form

    <%= f.fields_for :images do |image_fields| %> 
       <% if image_fields.object.new_record? %> 
         <%= image_fields.file_field :image %>  
       <% end %> 
    <% end %>

Image.rb

    class Image < ActiveRecord::Base
     belongs_to :trips

     has_attached_file :image, :styles => { :large => "640x480", :medium => "300x300>", :thumb => "100x100" },
     :storage => :s3,
     :bucket => 'Thrill',
     :s3_credentials => {
       :access_key_id => 'XXXXXXXXXXXX',
       :secret_access_key => 'xxxxxxxxxxxxxxxxxxxxx'
     }
    end

And I also have installed gem 'rmagick' in my gem file, which seems to be the solution for many, with similar problem. But not really in my case.

Any ideas what could be wrong ? Thanks!

Update

via rails console

Image.create :image => File.open('c:/sites/thrillb/app/assets/images/srf.jpg')

Not working as well.

 identify.exe: unable to open image `AppData/Local/Temp/stream20120826-41544-1no4
 vdp.jpg': No such file or directory @ error/blob.c/OpenBlob/2641.
 identify.exe: unable to open image `AppData/Local/Temp/stream20120826-41544-1no4
 vdp.jpg': No such file or directory @ error/blob.c/OpenBlob/2641.
 identify.exe: unable to open image `AppData/Local/Temp/stream20120826-41544-1no4
 vdp.jpg': No such file or directory @ error/blob.c/OpenBlob/2641.
 => #<Image id: nil, image_file_name: "srf.jpg", image_content_type: "image/jpeg"
 , image_file_size: 142825, image_updated_at: "2012-08-26 19:28:19", trip_id: nil
 , created_at: nil, updated_at: nil, title: nil, location_id: nil>

回答1:

Adding - gem "cocaine", "0.3.2" to gemfile solves the issue.

More info here - Paperclip File Not Found Error

来源：https://stackoverflow.com/questions/12132916/rails-paperclip-img-upload-error-no-file-chosen-with-rmagick-installed

标签

ruby-on-rails

paperclip

rmagick

image-upload