我有一個rake任務,通過蜻蜓寶石從我的文件系統導入pdf到GridFS。任務失敗,沒有明顯的原因。 我感謝任何幫助。謝謝!rake aborted - 是一個目錄/未定義的方法`downcase'爲零:NilClass
rake任務:
task :worksafety_files => :environment do
# Importiert Archiv-Dateien via Dragonfly in GridFS
Worksafety.all.each do |worksafety|
if worksafety.doc_1_tmp != nil and File.exist?("#{Rails.root}/config/mongify/archiv/safety/#{worksafety.doc_1_tmp}")
worksafety.doc_1 = File.new("#{Rails.root}/config/mongify/archiv/safety/#{worksafety.doc_1_tmp}")
worksafety.doc_1_tmp = nil
end
if worksafety.doc_2_tmp != nil and File.exist?("#{Rails.root}/config/mongify/archiv/safety/#{worksafety.doc_2_tmp}")
worksafety.doc_2 = File.new("#{Rails.root}/config/mongify/archiv/safety/#{worksafety.doc_2_tmp}")
worksafety.doc_2_tmp = nil
end
if worksafety.doc_3_tmp != nil and File.exist?("#{Rails.root}/config/mongify/archiv/safety/#{worksafety.doc_3_tmp}")
worksafety.doc_3 = File.new("#{Rails.root}/config/mongify/archiv/safety/#{worksafety.doc_3_tmp}")
worksafety.doc_3_tmp = nil
end
if File.exist?("#{Rails.root}/config/mongify/archiv/safety/#{worksafety.doc_4_tmp}")
worksafety.doc_4 = File.new("#{Rails.root}/config/mongify/archiv/safety/#{worksafety.doc_4_tmp}")
worksafety.doc_4_tmp = nil
end
if File.exist?("#{Rails.root}/config/mongify/archiv/safety/#{worksafety.doc_5_tmp}")
worksafety.doc_5 = File.new("#{Rails.root}/config/mongify/archiv/safety/#{worksafety.doc_5_tmp}")
worksafety.doc_5_tmp = nil
end
worksafety.save
end
end
堆棧跟蹤:
rake aborted!
Is a directory - read
/home/vagrant/.rvm/gems/ruby-2.0.0-p0/bundler/gems/dragonfly-08de999d19a0/lib/dragonfly/temp_object.rb:198:in `copy_to_tempfile'
/home/vagrant/.rvm/gems/ruby-2.0.0-p0/bundler/gems/dragonfly-08de999d19a0/lib/dragonfly/temp_object.rb:100:in `tempfile'
/home/vagrant/.rvm/gems/ruby-2.0.0-p0/bundler/gems/dragonfly-08de999d19a0/lib/dragonfly/temp_object.rb:107:in `file'
....
我仔細檢查過該文件夾的 「安全」。裏面只有pdf文件(用文件-i *檢查mime-tpye)。我認爲這個問題是要蜻蜓,因爲當ImageMagick的在蜻蜓配置avtivated相關..
app.configure_with(:imagemagick)
堆棧跟蹤不同的是:
rake aborted!
undefined method `downcase' for nil:NilClass
/home/vagrant/.rvm/gems/ruby-2.0.0-p0/bundler/gems/dragonfly- 08de999d19a0/lib/dragonfly/image_magick/utils.rb:26:in `identify'
/home/vagrant/.rvm/gems/ruby-2.0.0-p0/bundler/gems/dragonfly-08de999d19a0/lib/dragonfly/image_magick/analyser.rb:44:in `format'
/home/vagrant/.rvm/gems/ruby-2.0.0-p0/bundler/gems/dragonfly-08de999d19a0/lib/dragonfly/function_manager.rb:39:in `call'
/home/vagrant/.rvm/gems/ruby-2.0.0-p0/bundler/gems/dragonfly-08de999d19a0/lib/dragonfly/function_manager.rb:39:in `block (2 levels) in call_last'
/home/vagrant/.rvm/gems/ruby-2.0.0-p0/bundler/gems/dragonfly-08de999d19a0/lib/dragonfly/function_manager.rb:38:in `catch'
/home/vagrant/.rvm/gems/ruby-2.0.0-p0/bundler/gems/dragonfly-08de999d19a0/lib/dragonfly/function_manager.rb:38:in `block in call_last'
/home/vagrant/.rvm/gems/ruby-2.0.0-p0/bundler/gems/dragonfly-08de999d19a0/lib/dragonfly/function_manager.rb:37:in `each'
.....
謝謝,這有助於。這取決於imagemagick的「識別」版本。每個版本的命令輸出都不相同。 – patrickkeller 2013-05-06 22:57:59