omniauth第三方验证常见错误

1.     错误：Faraday::Error::ConnectionFailed

SSL_connect returned=1 errno=0 state=SSLv3 read servercertificate B:

Certificate verify faild

解决：在d:\rails目录下建立文件win_fetch_cacerts.rb 将网页中的信息拷贝到文件中https://raw.github.com/gist/867550/win_fetch_cacerts.rb。在c:\RailsInstaller目录下建立文件cacert.pem。在命令中执行set SSL_CERT_FILE=C:\RailsInstaller\cacert.pem。执行ruby “%d:\rails\win_fetch_cacerts.rb%” 。配置环境变量：变量名：SSL_CERT_FILE  变量值：C:\RailsInstaller\cacert.pem

2.    错误：Can’tmass-assign protected attributes: authentications_attributes         

解决：增加authentications_attributes的说明 attr_accessible : authentications_attributes

3.   错误：Can’tmass-assign protected attributes: created_at,updated_at

解决：def from_auth(auth)

     Authentication.find_by_provider_and_uid(auth[:provider],

                                            auth[:uid]).try(:admin)||

     create!(

        :nickname => auth[:info][:nickname],

        :email => auth[:info][:email],

        :authentications_attributes => [

          Authentication.new(:provider =>auth[:provider],

                             :uid =>auth[:uid]

                             ).attributes

        ]

      )                                      

End 改为

deffrom_auth(auth)

      authentication =Authentication.find_by_provider_and_uid(auth[:provider],

                                            auth[:uid]).try(:admin)

      unless authentication

        admin = create!(

          :nickname =>auth[:info][:nickname],

          :email => auth[:info][:email])

        admin.authentications.build(:provider=> auth[:provider])

      end                                      

   end

4.   错误：Validationfailed: Email can't be blank 公开的邮箱一定要填