tomcat-context.xml

 1 <!-- The contents of this file will be loaded for each web application -->
 2 <Context>
 3 
 4     <!-- Default set of monitored resources -->
 5     <WatchedResource>WEB-INF/web.xml</WatchedResource>
 6     
 7     <!-- Uncomment this to disable session persistence across Tomcat restarts -->
 8     <!--
 9     <Manager pathname="" />
10     -->
11 
12     <!-- Uncomment this to enable Comet connection tacking (provides events
13          on session expiration as well as webapp lifecycle) -->
14     <!--
15     <Valve className="org.apache.catalina.valves.CometConnectionManagerValve" />
16     -->
17 
18 </Context>

tomcat 服务器启动时读取context.xml 文件，

然后回去读取web项目下的web.xml文件