当用户尝试使用facebook登录时,我的Rails应用程序有时(大约2周)在回调方法期间崩溃.
在错误下面和一段堆栈跟踪：
Errno :: ENETUNREACH发生在#：
网络无法访问 – 连接(2)
> REQUEST_METHOD：GET
> REQUEST_PATH：/ auth / facebook / callback
> REQUEST_URI：？/ AUTH /实/回调代码= AQDoUnHaO4ShfZUtCw6TVHAd_oOWUQ7Lar-OunhlFHoWhpTmiliY8hWTEb0CmufEMABpUggIlAe15jx8BoxTmVXmHb3JvVlePEfECpkVhf82UWdoHK8jCYN00KM5RYUkbx6M5SHjusb2xWFeHnE92-nfvbpw2KSARqR5njgJqbV_hkJYb42SiuvNXKOTU6hYY_g
——————————- Backtrace：
/home/finetuning/.rbenv/versions/1.9.3-p194/lib/ruby/1.9.1/net/http.rb:762:in `initialize' /home/finetuning/.rbenv/versions/1.9.3-p194/lib/ruby/1.9.1/net/http.rb:762:in `open' /home/finetuning/.rbenv/versions/1.9.3-p194/lib/ruby/1.9.1/net/http.rb:762:in `block in connect' /home/finetuning/.rbenv/versions/1.9.3-p194/lib/ruby/1.9.1/timeout.rb:54:in `timeout' /home/finetuning/.rbenv/versions/1.9.3-p194/lib/ruby/1.9.1/timeout.rb:99:in `timeout' /home/finetuning/.rbenv/versions/1.9.3-p194/lib/ruby/1.9.1/net/http.rb:762:in `connect' /home/finetuning/.rbenv/versions/1.9.3-p194/lib/ruby/1.9.1/net/http.rb:755:in `do_start' /home/finetuning/.rbenv/versions/1.9.3-p194/lib/ruby/1.9.1/net/http.rb:744:in `start' /home/finetuning/.rbenv/versions/1.9.3-p194/lib/ruby/1.9.1/net/http.rb:1284:in `request' faraday (0.7.6) lib/faraday/adapter/net_http.rb:61:in `call' faraday (0.7.6) lib/faraday/request/url_encoded.rb:14:in `call' faraday (0.7.6) lib/faraday/connection.rb:210:in `run_request' oauth2 (0.5.2) lib/oauth2/client.rb:88:in `request' oauth2 (0.5.2) lib/oauth2/client.rb:128:in `get_token' oauth2 (0.5.2) lib/oauth2/strategy/auth_code.rb:29:in `get_token' omniauth-oauth2 (1.0.0) lib/omniauth/strategies/oauth2.rb:77:in `build_access_token' omniauth-facebook (1.2.0) lib/omniauth/strategies/facebook.rb:63:in `block in build_access_token' omniauth-facebook (1.2.0) lib/omniauth/strategies/facebook.rb:110:in `with_authorization_code' omniauth-facebook (1.2.0) lib/omniauth/strategies/facebook.rb:63:in `build_access_token' omniauth-oauth2 (1.0.0) lib/omniauth/strategies/oauth2.rb:61:in `callback_phase'
解决方法
这听起来像是需要向我重新请求的访问令牌,但这是一个不可知的猜测.
在我开始工作之前,有很多事情阻止了回调为我工作：
>互联网连接一起停止
>配置/路由中没有路由
>糟糕的javascript
>回调网址在Facebook应用上不匹配
>过时版的oauth ..等..
随意仔细检查一下我工作的内容,看看是否有帮助：
http://www.ajostrow.me/thoughts/client-side-facebook-authentication-with-rails