1. tomcat6中的类加载器:

    不同于传统的委派模型
* Bootstrap classes of your JVM(  c库及$JAVA_HOME/jre/lib/ext)
* System class loader classses  ($CATALINA_HOME/bin/bootstrap.jar,

                                                $CATALINA_HOME/bin/tomcat-juli.jar)
* /WEB-INF/classes of your web application
* /WEB-INF/lib/*.jar of your web application
* $CATALINA_HOME/lib/classes
* $CATALINA_HOME/lib/*.jar

 

2. 传统的jvm委派模型

 

3. osgi委培模型