paperclip_too_many_open_files.txt

movie.rb:

# With help from
# http://almosteffortless.com/2008/12/11/easy-upload-via-url-with-paperclip/

  has_attached_file :poster,
    :styles => {
      :small => "150x150>"
    }

  def download_remote_image
    self.poster = do_download_remote_image
    self.poster_remote_url = poster_url
  end

  def do_download_remote_image
    io = open(URI.parse(poster_url))
    def io.original_filename; base_uri.path.split('/').last; end
    io.original_filename.blank? ? nil : io
  rescue Exception => e # catch url errors with validations instead of exceptions (Errno::ENOENT, OpenURI::HTTPError, etc...)
  end

Error:

/u/apps/moviealerts/releases/20091023004008/vendor/rails/activesupport/lib/active_support/core_ext/kernel/agnostics.rb:7:in ``': Too many open files - identify -format "%wx%h" "/tmp/stream20091022-15497-1flixnx-0"[0] 2>/dev/null (Errno::EMFILE)
	from /u/apps/moviealerts/releases/20091023004008/vendor/rails/activesupport/lib/active_support/core_ext/kernel/agnostics.rb:7:in ``'
	from /u/apps/moviealerts/releases/20091023004008/vendor/plugins/paperclip/lib/paperclip.rb:100:in `run'
	from /u/apps/moviealerts/releases/20091023004008/vendor/plugins/paperclip/lib/paperclip/geometry.rb:19:in `from_file'
	from /u/apps/moviealerts/releases/20091023004008/vendor/plugins/paperclip/lib/paperclip/thumbnail.rb:19:in `initialize'
	from /u/apps/moviealerts/releases/20091023004008/vendor/plugins/paperclip/lib/paperclip/processor.rb:33:in `new'
	from /u/apps/moviealerts/releases/20091023004008/vendor/plugins/paperclip/lib/paperclip/processor.rb:33:in `make'
	from /u/apps/moviealerts/releases/20091023004008/vendor/plugins/paperclip/lib/paperclip/attachment.rb:382:in `post_process_styles'
	from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `inject'
	from /u/apps/moviealerts/releases/20091023004008/vendor/plugins/paperclip/lib/paperclip/attachment.rb:381:in `each'
	from /u/apps/moviealerts/releases/20091023004008/vendor/plugins/paperclip/lib/paperclip/attachment.rb:381:in `inject'
	from /u/apps/moviealerts/releases/20091023004008/vendor/plugins/paperclip/lib/paperclip/attachment.rb:381:in `post_process_styles'
	from /u/apps/moviealerts/releases/20091023004008/vendor/plugins/paperclip/lib/paperclip/attachment.rb:378:in `each'
	from /u/apps/moviealerts/releases/20091023004008/vendor/plugins/paperclip/lib/paperclip/attachment.rb:378:in `post_process_styles'
	from /u/apps/moviealerts/releases/20091023004008/vendor/plugins/paperclip/lib/paperclip/attachment.rb:364:in `post_process'
	from /u/apps/moviealerts/releases/20091023004008/vendor/plugins/paperclip/lib/paperclip/attachment.rb:87:in `assign'
	from /u/apps/moviealerts/releases/20091023004008/vendor/plugins/paperclip/lib/paperclip.rb:233:in `poster='
	from /u/apps/moviealerts/releases/20091023004008/app/models/movie.rb:194:in `download_remote_image'

As an FYI, I posted this gist here - thoughtbot/paperclip#44