produces nothing because ex is always nil or empty or something

nil exception.rb

  def call_created
    callbacks = get_callbacks
    if callbacks
      callbacks.created(patient, assessment) if callbacks.respond_to?(:created)
    end
  rescue Exception => ex
    puts "......................................#{ex}"
    Rails.logger.fatal "Callback method failed"
    Rails.logger.fatal ex, ex.backtrace
  else
    raise
  end