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Deployment Descriptor Web application in Java use a deployment descriptor file to determine how URLs map to servlets, which URLs require authentication, and other information needed by web. It contains the overall web component settings and this file is named web.xml, and resides in the app's WAR under the WEB-INF/ directory. web.xml is part of the servlet standard for web applications. Deployment descriptor describes the classes, resources and the configuration for the application as well as the information on the usage of web server to serve the requests. When the web server receives a request for the application, it uses the deployment descriptor to map the URL of the request to the code that handle the request. Rohit Sharma 11-27-2014 05:11 PM

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