What exactly is the web-app version? What does it affect?
Web.xml is a central place where you define the configuration of your Web application. For instance you can specify there: servlet mapping, i.e. which URL path refers to which Java class (e.g. when user types http://something.com/Koray you can point that request to KorayServlet.java class where you keep the implementation of the servlet) authorization parameters, e.g. … Read more