Deployment Descriptor

deployment descriptor (DD) refers to a configuration file for an artifact that is deployed to some container/engine.

In the Java Enterprise Edition, a deployment descriptor describes how a component, module or application (such as a web application or enterprise application) should be deployed.

– Wikipedia

It also contains servlet/jsp wide settings as well as application wide settings for enterprise app of Java.

Another name of deployment decriptor is web.xml, resides in WEB-INF folder in the project hierarchy of Eclipse/NetBeans IDE.

Web.xml is a customized tag file. It allows to configure all the the settings in tag format. Such as, Initialization Parameter, Wel come file list for app, Cookies and Session tags etc.,

-Ravi Oza

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