尝试使用回形针dropbox gem上传文件。在localhost中工作但当我尝试heroku时，我得到错误KeyError(：access_token_secret凭据为nil(：
KeyError (:access_token_secret credential is nil):
2014-04-29T20:27:00.982579+00:00 app[web.1]: Started POST "/listings" for 92.5.114.214 at 2014-04-29 20:27:00 +0000
2014-04-29T20:27:00.991481+00:00 app[web.1]: Completed 500 Internal Server Error in 3ms
2014-04-29T20:27:00.982590+00:00 app[web.1]: Started POST "/listings" for 92.5.114.214 at 2014-04-29 20:27:00 +0000
2014-04-29T20:27:00.987444+00:00 app[web.1]: Processing by ListingsController#create as HTML
2014-04-29T20:27:00.992963+00:00 app[web.1]:
2014-04-29T20:27:00.992964+00:00 app[web.1]: **KeyError (:access_token_secret credential is nil):**
2014-04-29T20:27:00.992968+00:00 app[web.1]:
2014-04-29T20:27:00.992956+00:00 app[web.1]: app/controllers/listings_controller.rb:27:in `create'
2014-04-29T20:27:00.988120+00:00 app[web.1]: Parameters: {"utf8"=>"✓", "authenticity_token"=>"I7v0J20Qv8IX7bl47AOssqFvv7xaO+X/JqJ1YGZF0Ig=", "listing"=>{"name"=>"test", "description"=>"test", "price"=>"12", "image"=>#<ActionDispatch::Http::UploadedFile:0x007f502b6ed980 @tempfile=#<Tempfile:/tmp/RackMultipart20140429-2-1u8n0ay>, @original_filename="applemac.jpg", @content_type="image/jpeg", @headers="Content-Disposition: form-data; name="listing[image]
"; filename="applemac.jpg"rnContent-Type: image/jpegrn">}, "commit"=>"Create Listing"}
heroku配置显示
ACCESS_TOKEN_SECRET: m7r66o1it3xxxxx
APP_SECRET: incev12hukxxxxx
DATABASE_URL: postgres://fklmdpqvdabc:5MPF_gpvHqsxqi55g5kQEEpttD@ec2-54-83-201-54.compute-1.amazonaws.com:5432/ddsldn4k8ve16o
HEROKU_POSTGRESQL_TEAL_URL: postgres://fklmdpqvdabc:5MPF_gpvHqsxqi55g5kQEEpttD@ec2-54-83-201-54.compute-1.amazonaws.com:5432/ddsldn4k8ve16o
LANG: en_US.UTF-8
RACK_ENV: production
RAILS_ENV: production
和应用程序.yml
APP_SECRET: "incev12huxxxxxx"
ACCESS_TOKEN_SECRET: "m7r66o1xxxxxxx
投递箱文件夹
app_key: "3b0nq7axxxxxxxx"
app_secret: <%= ENV["APP_SECRET"] %>
access_token: "v30cwshpxxxxxxx"
access_token_secret: <%= ENV["APP_TOKEN_SECRET"] %>
user_id: "3xxxxxx"
access_type: "app_folder""
更新
access_token_secret: <%= ENV["APP_TOKEN_SECRET"] %>
至
access_token_secret: <%= ENV["ACCESS_TOKEN_SECRET"] %>
您已设置密钥ACCESS_TOKEN_SECRET，但正在使用密钥APP_TOKEN_SECRET。ENV[APP_TOKEN_SECRET]返回nil，因为它不存在。因此，出现了错误。