Concept of an Application

I am trying to understand the concept of the Application. Assume I deployed a web application MyAppTest (http://www.myapptest.com) to the Application Server.
1)When the first user launches the http://www.myapptest.com from a Browser, to access the Application Server, will that starts the loading of the web.xml, struts-config, and many other files? OR those files have already been loaded long before the user's accessing?
2)When the second user from a different computer, do the same (launch http://www.myapptest.com), will it, too, starts the loading of the web.xml, struts-config, and many other files? OR just a session is created?
Thanks.
Eugene

Eugene, it is clear that you are referring to a J2EE application or a J2EE web application, where the later is often packaged inside the former. (So this question is better posed at oc4j forum.)
Instead of your assumption "I deployed a web application MyAppTest (http://www.myapptest.com)", I would assume that "I deployed a web application MyAppTest at (http://<myHostName>:<myPort>/<myRootContext>)". Deploying an application would never change your host name. Do not mention that you are using url redirect or rewrite.
> 1) When the first user launches the http://www.myapptest.com from a Browser, to access the Application Server, will that starts the loading of the web.xml, struts-config, and many other files? OR those files have already been loaded long before the user's accessing?
The pre-loading of web.xml is determined by the "load-on-startup" of your web application in *-web-site.xml. Whether struts-config will be loaded at the time your web application is loaded is determined by the existence of the element <load-on-startup/> of servlet "org.apache.struts.action.ActionServlet" in the web.xml, which usually does exist.
Anyway, if they are not loaded yet, a request will certainly start loading them.
> 2) When the second user from a different computer, do the same (launch http://www.myapptest.com), will it, too, starts the loading of the web.xml, struts-config, and many other files? OR just a session is created?
Of course no reloading of the web.xml, structs-config if they are loaded. Whether a session will be created is determined by your code.
I would not speculate about "many other files"; you have to be specific.

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