Found a workaround; upgraded Paperclip plugin to 2.3.5 and it now works on both my dev server and heroku.
The Hotpad Add-On definitely helped to troubleshoot this issue so I recommend using it. On Oct 28, 8:31 pm, spectr <[email protected]> wrote: > My app works perfectly on my development server with Amazon S3 but > once deployed to Heroku, it breaks AFTER one successful upload. I am > able to create one post which has one attached image. Once uploaded, > the image file can be accessed without a problem. > > The problem arises when trying to create additional posts with > attached files or when trying to upload a different file attachment > for the original working post. > > I have spent all day on this and can't figure out why Heroku always > throws an error one any second upload to S3 after the app is rebuilt. > > I have included the log that shows the successful creation of the > first post that includes an upload and the second post with an upload > that fails. > > Processing MicropostsController#create (for 24.202.155.203 at > 2010-10-28 16:41:18) [POST] > Parameters: {"commit"=>"Submit", > "micropost"=>{"start_date(1i)"=>"2010", "start_date(2i)"=>"10", > "start_date(3i)"=>"30", "title"=>"Bright Eyes", > "start_date(4i)"=>"23", "start_date(5i)"=>"39", "poster"=>#<File:/home/ > slugs/333722_0c2b1ab_b46f-600809c5-4d87-4421-89b0-e07def6f4256/mnt/tmp/ > RackMultipart20101028-11999-6tjb14-0>, > "link1"=>"http://www.youtube.com/watch?v=o5rhhQbyYV0";, > "link2"=>"http://www.youtube.com/ > watch?v=o5rhhQbyYV0", "content"=>"Details", "venue"=>"il Motore"}, > "action"=>"create", "authenticity_token"=>"gDBmWuBjv9PDjlLJMPJr1eL3w/ > NXZ1jdsreIYQ0EUcU=", "controller"=>"microposts"} > [paperclip] identify -format %wx%h '/home/slugs/ > 333722_0c2b1ab_b46f-600809c5-4d87-4421-89b0-e07def6f4256/mnt/tmp/ > stream,11999,0.jpg[0]' > [paperclip] convert '/home/slugs/ > 333722_0c2b1ab_b46f-600809c5-4d87-4421-89b0-e07def6f4256/mnt/tmp/ > stream,11999,0.jpg[0]' -resize '375x550>' '/home/slugs/ > 333722_0c2b1ab_b46f-600809c5-4d87-4421-89b0-e07def6f4256/mnt/tmp/ > stream,11999,0,11999,0' > [paperclip] identify -format %wx%h '/home/slugs/ > 333722_0c2b1ab_b46f-600809c5-4d87-4421-89b0-e07def6f4256/mnt/tmp/ > stream,11999,0.jpg[0]' > [paperclip] convert '/home/slugs/ > 333722_0c2b1ab_b46f-600809c5-4d87-4421-89b0-e07def6f4256/mnt/tmp/ > stream,11999,0.jpg[0]' -resize '200x' -crop '200x200+0+50' +repage '/ > home/slugs/333722_0c2b1ab_b46f-600809c5-4d87-4421-89b0-e07def6f4256/ > mnt/tmp/stream,11999,0,11999,1' > [paperclip] Saving attachments. > [paperclip] saving /assets/posters/1/original/bright-eyes.jpg > [paperclip] saving /assets/posters/1/large/bright-eyes.jpg > [paperclip] saving /assets/posters/1/thumb/bright-eyes.jpg > Redirected tohttp://gigkong.com/users/1 > Completed in 628ms (DB: 23) | 302 Found [http://gigkong.com/gigs] > > ***The first post was successful. The second upload fails below where > "[paperclip] Saving attachments" should be. Code is the same on my dev > server and works*** > > Processing MicropostsController#create (for 24.202.155.203 at > 2010-10-28 16:42:58) [POST] > Parameters: {"commit"=>"Submit", > "micropost"=>{"start_date(1i)"=>"2010", "start_date(2i)"=>"10", > "start_date(3i)"=>"30", "title"=>"Caribou", "start_date(4i)"=>"23", > "start_date(5i)"=>"42", "poster"=>#<File:/home/slugs/ > 333722_0c2b1ab_b46f-600809c5-4d87-4421-89b0-e07def6f4256/mnt/tmp/ > RackMultipart20101028-11999-eah7cl-0>, > "link1"=>"http://www.youtube.com/watch?v=o5rhhQbyYV0";, > "link2"=>"http://www.youtube.com/ > watch?v=o5rhhQbyYV0", "content"=>"Details", "venue"=>"Casa del > Popolo"}, "action"=>"create", > "authenticity_token"=>"gDBmWuBjv9PDjlLJMPJr1eL3w/NXZ1jdsreIYQ0EUcU=", > "controller"=>"microposts"} > [paperclip] identify -format %wx%h '/home/slugs/ > 333722_0c2b1ab_b46f-600809c5-4d87-4421-89b0-e07def6f4256/mnt/tmp/ > stream,11999,0.jpg[0]' > [paperclip] convert '/home/slugs/ > 333722_0c2b1ab_b46f-600809c5-4d87-4421-89b0-e07def6f4256/mnt/tmp/ > stream,11999,0.jpg[0]' -resize '375x550>' '/home/slugs/ > 333722_0c2b1ab_b46f-600809c5-4d87-4421-89b0-e07def6f4256/mnt/tmp/ > stream,11999,0,11999,0' > > NoMethodError (undefined method `[]' for nil:NilClass): > app/controllers/microposts_controller.rb:27:in `create' > /home/heroku_rack/lib/static_assets.rb:9:in `call' > /home/heroku_rack/lib/last_access.rb:15:in `call' > /home/heroku_rack/lib/date_header.rb:14:in `call' > thin (1.2.6) lib/thin/connection.rb:76:in `pre_process' > thin (1.2.6) lib/thin/connection.rb:74:in `catch' > thin (1.2.6) lib/thin/connection.rb:74:in `pre_process' > thin (1.2.6) lib/thin/connection.rb:57:in `process' > thin (1.2.6) lib/thin/connection.rb:42:in `receive_data' > eventmachine (0.12.10) lib/eventmachine.rb:256:in `run_machine' > eventmachine (0.12.10) lib/eventmachine.rb:256:in `run' > thin (1.2.6) lib/thin/backends/base.rb:57:in `start' > thin (1.2.6) lib/thin/server.rb:156:in `start' > thin (1.2.6) lib/thin/controllers/controller.rb:80:in `start' > thin (1.2.6) lib/thin/runner.rb:177:in `send' > thin (1.2.6) lib/thin/runner.rb:177:in `run_command' > thin (1.2.6) lib/thin/runner.rb:143:in `run!' > thin (1.2.6) bin/thin:6 > /usr/ruby1.8.7/bin/thin:19:in `load' > /usr/ruby1.8.7/bin/thin:19 > > Rendering /disk1/home/slugs/ > 333722_0c2b1ab_b46f-600809c5-4d87-4421-89b0-e07def6f4256/mnt/public/ > 500.html (500 Internal Server Error) > > ======= > > def create > @current_user = current_user > @micropost = > current_user.microposts.build(params[:micropost]) ****line 27**** > if @micropost.save > flash[:success] = "Micropost created!" > redirect_to current_user > else > @feed_items = [] > render 'pages/home' > end > end > > ======= > > Any help would be appreciated. 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