context.xml中增加<WatchedResource>WEB-INF/web.xml</WatchedResource>,Eclipse在修改了web.xml后将自动更新到tomcat服务器中。
<?xml version=‘1.0‘ encoding=‘utf-8‘?> <Context> <!-- Default set of monitored resources --> <WatchedResource>WEB-INF/web.xml</WatchedResource> <!-- Uncomment this to disable session persistence across Tomcat restarts --> <!-- <Manager pathname="" /> --> <!-- Uncomment this to enable Comet connection tacking (provides events on session expiration as well as webapp lifecycle) --> <!-- <Valve className="org.apache.catalina.valves.CometConnectionManagerValve" /> --> </Context>
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