class Aws::Json::ErrorParser

def extract_error(response)
  context = response.context
  json = MultiJson.load(context.http_response.body_contents)
  error_code = json['code'] || json['__type'] 
  error_code ||= context.http_response.headers['x-amzn-errortype']
  error_code = error_code.split('#').last
  if error_code == 'RequestEntityTooLarge'
    error_message = 'Request body must be less than 1 MB'
  else
    error_message = json['message'] || json['Message']
  end
  [error_code, error_message]
end