carrierwave
Classier solution for file uploads for Rails, Sinatra and other Ruby web frameworks
carrierwaveuploader/carrierwave · GitHub carrierwave - classier solution for file uploads for rails, sinatra and other ruby web frameworks
I am trying to display the filename of a Carrierwave attachment in a Rails erb template. The following does not work:
<%= @page.form.filename %>
This seems in line with the documentation. Is some additional step needed?
My page model looks like this:
class Page < ActiveRecord::Base
mount_uploader :form, FormUploader
end
The form uploader looks like this:
class FormUploader < CarrierWave::Uploader::Base
storage :file
def store_dir
"uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
end
def extension_white_list
%w(pdf)
end
end
Source: (StackOverflow)
I'm trying to use this code in my uploader
version :thumb do
process :scale => [50, 50]
end
and I get an error saying
undefined method `scale' for #<#<Class:0x235b680>:0x0fb4c8>
I'm using Carrierwave with MiniMagick. How can I fix this error?
Source: (StackOverflow)
I am not sure how to configure the environment such that Carrier Wave will use the local file storage when running the app locally (development) and s3 after i load to heroku (production)
in Development storage :file
in Production storage :s3
Source: (StackOverflow)
Let's say my model has an image with :thumb and the client wants :tiny and :nano thumbnails.
How do I reprocess all the existing images using a rake task?
I've found a rask that I thought would do it https://gist.github.com/777788 but it's giving me errors.
Source: (StackOverflow)
I have a simple model that mounts a Carrierwave uploader. Everything works fine in development, but I get an undefined method "image_will_change!" error on heroku.
class Receipt < ActiveRecord::Base
mount_uploader :image, ImageUploader
end
class ImageUploader < CarrierWave::Uploader::Base
storage :fog
def store_dir
"receipts/saved"
end
end
I have the cache_dir set appropriately as well according to the Carrierwave Wiki.
receipt.image = File.open "public/images/test.jpg" #works fine in development, fails in heroku
Source: (StackOverflow)
I'm using RMagick and want my images to be resized to a fixed width of 100px, and scale the height proportionally. For example, if a user were to upload a 300x900px, I would like it to be scaled to 100x300px.
Source: (StackOverflow)
In our latest application we need to process some uploads, I've worked with paperclip before and everything just works! but we're giving carrierwave a try, it looks promising but, I can't find how to validate the size of an attachment, it seems like the documentation doesn't have any information about it, should we add it manually to the model via a custom validator?
Thanks in advance!
Source: (StackOverflow)
On staging, I'm facing the following error on uploading and resizing an image through carrierwave and minimagick. On local everything works fine.
carrierwave (0.9.0)
mini_magick (3.7.0)
irb(main):003:0> PicturePost.create(remote_content_url: 'http://www.imagpress.com/img/slider/slider_1.jpg')
NoMethodError: undefined method `size' for nil:NilClass
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/mini_magick-3.7.0/lib/mini_magick.rb:24:in `choose_processor'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/mini_magick-3.7.0/lib/mini_magick.rb:64:in `mogrify?'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/mini_magick-3.7.0/lib/mini_magick/image.rb:360:in `run_command'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/mini_magick-3.7.0/lib/mini_magick/image.rb:171:in `valid?'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/mini_magick-3.7.0/lib/mini_magick/image.rb:140:in `create'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/mini_magick-3.7.0/lib/mini_magick/image.rb:48:in `read'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/mini_magick-3.7.0/lib/mini_magick/image.rb:111:in `block in open'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/mini_magick-3.7.0/lib/mini_magick/image.rb:110:in `open'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/mini_magick-3.7.0/lib/mini_magick/image.rb:110:in `open'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/carrierwave-0.9.0/lib/carrierwave/processing/mini_magick.rb:260:in `manipulate!'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/carrierwave-0.9.0/lib/carrierwave/processing/mini_magick.rb:176:in `resize_to_fill'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/carrierwave-0.9.0/lib/carrierwave/uploader/processing.rb:85:in `block in process!'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/carrierwave-0.9.0/lib/carrierwave/uploader/processing.rb:81:in `each'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/carrierwave-0.9.0/lib/carrierwave/uploader/processing.rb:81:in `process!'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/carrierwave-0.9.0/lib/carrierwave/uploader/callbacks.rb:18:in `block in with_callbacks'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/carrierwave-0.9.0/lib/carrierwave/uploader/callbacks.rb:18:in `each'
9 levels...
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/carrierwave-0.9.0/lib/carrierwave/uploader/download.rb:65:in `download!'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/carrierwave-0.9.0/lib/carrierwave/mount.rb:353:in `remote_url='
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/carrierwave-0.9.0/lib/carrierwave/mount.rb:203:in `remote_content_url='
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/carrierwave-0.9.0/lib/carrierwave/orm/activerecord.rb:44:in `remote_content_url='
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/activerecord-3.2.15/lib/active_record/attribute_assignment.rb:85:in `block in assign_attributes'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/activerecord-3.2.15/lib/active_record/attribute_assignment.rb:78:in `each'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/activerecord-3.2.15/lib/active_record/attribute_assignment.rb:78:in `assign_attributes'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/activerecord-3.2.15/lib/active_record/base.rb:498:in `initialize'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/activerecord-3.2.15/lib/active_record/persistence.rb:44:in `new'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/activerecord-3.2.15/lib/active_record/persistence.rb:44:in `create'
from (irb):3
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/railties-3.2.15/lib/rails/commands/console.rb:47:in `start'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/railties-3.2.15/lib/rails/commands/console.rb:8:in `start'
from /home/deploy/apps/staging/blog/shared/bundle/ruby/1.9.1/gems/railties-3.2.15/lib/rails/commands.rb:41:in `<top (required)>'
from script/rails:6:in `require'
Can't figure out why this is happening.
Source: (StackOverflow)
How to upload multiple image by selecting "ctrl + selction key" at same time... I have post_controller and post_attachments model. how can i do so?
Can you give me example?
Is there any simple way to do?
Source: (StackOverflow)
I get an error that look like this:
undefined method `post_image_will_change!' for #<Post:0xf4e9184>
app/controllers/posts_controller.rb:43:in `new'
app/controllers/posts_controller.rb:43:in `create'
I've included this in my "post" model:
attr_accessible :title, :name, :content, :post_image
mount_uploader :post_image, PostImageUploader
and in _form.html.erb I've added:
:html => { :multipart => true }
I looked CarrierWave Error but that doesn't help me.
Any clues of what generates that error? I've migrated the database and so forth (followed the railscasts guide on carrierwave exactly..)
Source: (StackOverflow)
I'm working on upgrading from attachment_fu to carrierwave, since attachment_fu is broken in rails 3.
None of the tests are able to run, because we have invalid fixtures that were using the syntax from attachment_fu for attachment files.
For example, we have a Post model that has one PostAttachment. Here's what the data in the PostAttachment fixture looks like:
a_image:
post_id: 1
attachment_file: <%= Rails.root>/test/files/test.png
And this is the error I'm getting:
ActiveRecord::StatementInvalid: PGError: ERROR: column "attachment_file" of relation "post_attachments" does not exist
LINE 1: INSERT INTO "post_attachments" ("post_id", "attachment_file"...
attachment_file would have been picked up by attachment_fu, and it would have taken care of all the processing to create the attachment_fu attachment for the model.
Is there a way to have image attachments in the fixtures, but with using CarrierWave instead?
Source: (StackOverflow)
I am just another average joe hoping to jump onto the social network bandwagon. I'd like to know which photo uploading/resizing gem I should use for users of my app. It would be great if you could explain why.
Source: (StackOverflow)
everyone! I was following Railscasts episode #253, using CarrierWave to do image upload.
Everything was fine to display the original image, even though the image looked quite big in the browser.
I strictly followed Ryan Bates' instructions. But, when I tried to resize the image using rmagick and press upload button, I always got server shutdown.
I am using rmagick 2.13.1
And I followed this blog's instruction to install homebrew, and imagemagick on my mac.
The error message is shown below.
Rendered /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-
3.0.9/lib/action_dispatch/middleware/templates/rescues/routing_error.erb within rescues/layout (0.9ms)
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/processing/rmagick.rb:248: [BUG] Segmentation fault
ruby 1.9.2p290 (2011-07-09 revision 32553) [x86_64-darwin10.8.0]
-- control frame ----------
c:0097 p:---- s:0482 b:0482 l:000481 d:000481 CFUNC :read
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c:0095 p:0011 s:0469 b:0469 l:000468 d:000468 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/processing/rmagick.rb:132
c:0094 p:0044 s:0464 b:0464 l:000453 d:000463 BLOCK /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/processing.rb:83
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c:0091 p:0037 s:0454 b:0454 l:000453 d:000453 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/processing.rb:81
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c:0089 p:---- s:0447 b:0447 l:000446 d:000446 FINISH
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c:0087 p:0059 s:0442 b:0442 l:000441 d:000441 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/callbacks.rb:18
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c:0085 p:0035 s:0433 b:0433 l:000423 d:000432 BLOCK /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/versions.rb:215
c:0084 p:---- s:0429 b:0429 l:000428 d:000428 FINISH
c:0083 p:---- s:0427 b:0427 l:000426 d:000426 CFUNC :each
c:0082 p:0055 s:0424 b:0424 l:000423 d:000423 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/versions.rb:213
c:0081 p:0015 s:0419 b:0419 l:000410 d:000418 BLOCK /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/callbacks.rb:18
c:0080 p:---- s:0416 b:0416 l:000415 d:000415 FINISH
c:0079 p:---- s:0414 b:0414 l:000413 d:000413 CFUNC :each
c:0078 p:0059 s:0411 b:0411 l:000410 d:000410 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/callbacks.rb:18
c:0077 p:0091 s:0406 b:0406 l:000405 d:000405 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/cache.rb:107
c:0076 p:0019 s:0402 b:0402 l:000401 d:000401 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/mount.rb:317
c:0075 p:0021 s:0397 b:0397 l:000396 d:000396 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/mount.rb:173
c:0074 p:0054 s:0393 b:0393 l:000392 d:000392 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/orm/activerecord.rb:37
c:0073 p:0081 s:0388 b:0388 l:000378 d:000387 BLOCK /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.0.9/lib/active_record/base.rb:1564
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c:0070 p:0076 s:0379 b:0379 l:000378 d:000378 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.0.9/lib/active_record/base.rb:1560
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c:0068 p:---- s:0367 b:0367 l:000366 d:000366 FINISH
c:0067 p:---- s:0365 b:0365 l:000364 d:000364 CFUNC :new
c:0066 p:0028 s:0361 b:0361 l:000360 d:000360 METHOD /Users/binyannie/rails/gallery_app/app/controllers/paintings_controller.rb:12
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c:0026 p:0019 s:0146 b:0146 l:0016a0 d:0016a0 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.0.9/lib/active_record/query_cache.rb:31
c:0025 p:0015 s:0142 b:0142 l:000141 d:000141 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.0.9/lib/active_record/connection_adapters/abstract/connection_po
c:0024 p:0029 s:0138 b:0138 l:001660 d:000137 BLOCK /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/middleware/callbacks.rb:46
c:0023 p:0155 s:0136 b:0136 l:000135 d:000135 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.0.9/lib/active_support/callbacks.rb:416
c:0022 p:0011 s:0126 b:0126 l:001660 d:001660 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/middleware/callbacks.rb:44
c:0021 p:0015 s:0122 b:0122 l:000121 d:000121 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/sendfile.rb:107
c:0020 p:0049 s:0112 b:0112 l:000111 d:000111 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/middleware/remote_ip.rb:48
c:0019 p:0017 s:0108 b:0108 l:000107 d:000107 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/middleware/show_exceptions.rb:47
c:0018 p:0027 s:0100 b:0100 l:000099 d:000099 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.9/lib/rails/rack/logger.rb:13
c:0017 p:0032 s:0096 b:0096 l:000095 d:000095 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/runtime.rb:17
c:0016 p:0052 s:0087 b:0087 l:000086 d:000086 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.0.9/lib/active_support/cache/strategy/local_cache.rb:72
c:0015 p:0014 s:0083 b:0083 l:000077 d:000082 BLOCK /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/lock.rb:11
c:0014 p:0019 s:0081 b:0081 l:000080 d:000080 METHOD <internal:prelude>:10
c:0013 p:0054 s:0078 b:0078 l:000077 d:000077 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/lock.rb:11
c:0012 p:0193 s:0073 b:0073 l:000072 d:000072 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/middleware/static.rb:30
c:0011 p:0032 s:0066 b:0066 l:000065 d:000065 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.9/lib/rails/application.rb:168
c:0010 p:0021 s:0062 b:0062 l:000061 d:000061 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.9/lib/rails/application.rb:77
c:0009 p:---- s:0057 b:0057 l:000056 d:000056 FINISH
c:0008 p:0015 s:0055 b:0055 l:000054 d:000054 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.9/lib/rails/rack/log_tailer.rb:14
c:0007 p:0015 s:0050 b:0050 l:000049 d:000049 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/content_length.rb:13
c:0006 p:0338 s:0042 b:0042 l:000041 d:000041 METHOD /Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/handler/webrick.rb:52
c:0005 p:0257 s:0030 b:0030 l:000029 d:000029 METHOD /Users/binyannie/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/httpserver.rb:111
c:0004 p:0393 s:0020 b:0020 l:000019 d:000019 METHOD /Users/binyannie/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/httpserver.rb:70
c:0003 p:0126 s:0009 b:0009 l:0023e8 d:000008 BLOCK /Users/binyannie/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/server.rb:183
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
c:0001 p:---- s:0002 b:0002 l:000001 d:000001 TOP
---------------------------
-- Ruby level backtrace information ----------------------------------------
/Users/binyannie/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/server.rb:183:in `block in start_thread'
/Users/binyannie/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/httpserver.rb:70:in `run'
/Users/binyannie/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/httpserver.rb:111:in `service'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/handler/webrick.rb:52:in `service'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/content_length.rb:13:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.9/lib/rails/rack/log_tailer.rb:14:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.9/lib/rails/application.rb:77:in `method_missing'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.9/lib/rails/application.rb:168:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/middleware/static.rb:30:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/lock.rb:11:in `call'
<internal:prelude>:10:in `synchronize'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/lock.rb:11:in `block in call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.0.9/lib/active_support/cache/strategy/local_cache.rb:72:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/runtime.rb:17:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.9/lib/rails/rack/logger.rb:13:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/middleware/show_exceptions.rb:47:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/middleware/remote_ip.rb:48:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/sendfile.rb:107:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/middleware/callbacks.rb:44:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.0.9/lib/active_support/callbacks.rb:416:in `_run_call_callbacks'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/middleware/callbacks.rb:46:in `block in call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.0.9/lib/active_record/connection_adapters/abstract/connection_pool.rb:354:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.0.9/lib/active_record/query_cache.rb:31:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.0.9/lib/active_record/query_cache.rb:12:in `cache'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.0.9/lib/active_record/connection_adapters/abstract/query_cache.rb:28:in `cache'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.0.9/lib/active_record/query_cache.rb:32:in `block in call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/middleware/cookies.rb:302:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/middleware/session/abstract_store.rb:149:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/middleware/flash.rb:182:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/middleware/params_parser.rb:21:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/methodoverride.rb:24:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/middleware/head.rb:14:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/routing/route_set.rb:493:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/rack-mount-0.6.14/lib/rack/mount/route_set.rb:139:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/rack-mount-0.6.14/lib/rack/mount/code_generation.rb:92:in `recognize'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/rack-mount-0.6.14/lib/rack/mount/code_generation.rb:68:in `optimized_each'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/rack-mount-0.6.14/lib/rack/mount/code_generation.rb:93:in `block in recognize'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/rack-mount-0.6.14/lib/rack/mount/route_set.rb:148:in `block in call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/routing/route_set.rb:27:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/routing/route_set.rb:62:in `dispatch'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_dispatch/routing/route_set.rb:62:in `call'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_controller/metal.rb:178:in `block in action'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_controller/metal/rack_delegation.rb:14:in `dispatch'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_controller/metal.rb:138:in `dispatch'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/abstract_controller/rendering.rb:41:in `process'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/abstract_controller/base.rb:119:in `process'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_controller/metal/rescue.rb:17:in `process_action'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_controller/metal/instrumentation.rb:29:in `process_action'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.0.9/lib/active_support/notifications.rb:52:in `instrument'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.0.9/lib/active_support/notifications/instrumenter.rb:21:in `instrument'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.0.9/lib/active_support/notifications.rb:52:in `block in instrument'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_controller/metal/instrumentation.rb:30:in `block in process_action'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/abstract_controller/callbacks.rb:17:in `process_action'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.0.9/lib/active_support/callbacks.rb:94:in `run_callbacks'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.0.9/lib/active_support/callbacks.rb:410:in `_run_process_action_callbacks'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.0.9/lib/active_support/callbacks.rb:436:in `_run__2758521140015343666__process_action__523965677563374240__callbacks'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/abstract_controller/callbacks.rb:18:in `block in process_action'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_controller/metal/rendering.rb:11:in `process_action'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/abstract_controller/base.rb:150:in `process_action'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.9/lib/action_controller/metal/implicit_render.rb:4:in `send_action'
/Users/binyannie/rails/gallery_app/app/controllers/paintings_controller.rb:12:in `create'
/Users/binyannie/rails/gallery_app/app/controllers/paintings_controller.rb:12:in `new'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.0.9/lib/active_record/base.rb:1412:in `initialize'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.0.9/lib/active_record/base.rb:1560:in `attributes='
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.0.9/lib/active_record/base.rb:1560:in `each'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.0.9/lib/active_record/base.rb:1564:in `block in attributes='
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/orm/activerecord.rb:37:in `image='
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/mount.rb:173:in `image='
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/mount.rb:317:in `cache'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/cache.rb:107:in `cache!'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/callbacks.rb:18:in `with_callbacks'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/callbacks.rb:18:in `each'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/callbacks.rb:18:in `block in with_callbacks'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/versions.rb:213:in `cache_versions!'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/versions.rb:213:in `each'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/versions.rb:215:in `block in cache_versions!'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/cache.rb:107:in `cache!'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/callbacks.rb:18:in `with_callbacks'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/callbacks.rb:18:in `each'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/callbacks.rb:18:in `block in with_callbacks'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/processing.rb:81:in `process!'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/processing.rb:81:in `each'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/uploader/processing.rb:83:in `block in process!'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/processing/rmagick.rb:132:in `resize_to_limit'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/processing/rmagick.rb:248:in `manipulate!'
/Users/binyannie/.rvm/gems/ruby-1.9.2-p290/gems/carrierwave-0.5.7/lib/carrierwave/processing/rmagick.rb:248:in `read'
-- C level backtrace information -------------------------------------------
I really have no clue why it is so. Anyone can give me a hint? Thanks!
Source: (StackOverflow)
Using CarrierWave in Rails 3.0 how would you go about making the code
resize images that have a width larger than 500 pixels to be 500 pixels wide and adjust the height appropriately - keeping the same initial ratio of width to height.
Source: (StackOverflow)