class FiltersController < ApplicationController before_filter { |c| c.logger.info 'before_A' } before_filter { |c| c.logger.info 'before_B' } before_filter { |c| c.logger.info 'before_C' } after_filter { |c| c.logger.info 'after_A' } after_filter { |c| c.logger.info 'after_B' } after_filter { |c| c.logger.info 'after_C' } def index render :text => 'ok' end end このような簡単なスクリプトを Rails2 と Rails3 で実行し、ロ