class ActionDispatch::DebugExceptions

def log_error(request, wrapper)
  logger = logger(request)
  return unless logger
  exception = wrapper.exception
  trace = wrapper.application_trace
  trace = wrapper.framework_trace if trace.empty?
  ActiveSupport::Deprecation.silence do
    logger.fatal "  "
    logger.fatal "#{exception.class} (#{exception.message}):"
    log_array logger, exception.annoted_source_code if exception.respond_to?(:annoted_source_code)
    logger.fatal "  "
    log_array logger, trace
  end
end