tomcat server.xml

基于对server.xml的学习，结合源码，可以进一步理解tomcat的架构设计

 1、

2、

 3、

4 、valve链

参考：

http://www.importnew.com/17124.html

http://blog.csdn.net/flyliuweisky547/article/details/20790601

http://blog.csdn.net/nblife0000/article/details/54565576

http://gearever.iteye.com/blog/1532822

https://www.packtpub.com/books/content/overview-tomcat-6-servlet-container-part-1

http://blog.csdn.net/cx520forever/article/details/52743166