# Hook in the notification to merb
error_notifier = Proc.new {
  if request.exceptions #check that there's actually an exception
    # Note, this assumes we have already captured the other information such as uri and params in the MetricFrame.
    NewRelic::Agent::Instrumentation::MetricFrame.notice_error(request.exceptions.first)
  end
}
Merb::Dispatcher::DefaultException.before error_notifier
Exceptions.before error_notifier