Extension for ExceptionNotifier class to ignore "invalid byte sequence" errors.

exception_notifier.rb

class ExceptionNotifier
  def call(env)
    @app.call(env)
  rescue Exception => exception
    options = (env['exception_notifier.options'] ||= {})
    options.reverse_merge!(@options)

    unless Array.wrap(options[:ignore_exceptions]).include?(exception.class) or /invalid byte sequence/ =~ exception.message
      Notifier.exception_notification(env, exception).deliver
      env['exception_notifier.delivered'] = true
    end

    raise exception
  end
end