文章 前言 请求的接收和处理 classLoader in tomcat conf/web.xml digester in tomcat lifecycleListener in tomcat 源代码分析与修改 org.apache.catalina.mbeans.MBeanUtils org.apache.catalina.startup.Catalina org.apache.catalina.startup.ContextRuleSet 词汇、概念 connector container context engine host requestPath service session wrapper