Time for action – understanding the web application context

You have received enough of an introduction on the web application context; now, tweak a little bit with the name and location of the web application context configuration file (DefaultServlet-servlet.xml) and observe the effect. Perform the following steps:

1. Rename the DefaultServlet-servlet.xml file to DispatcherServlet-servlet.xml; you can find DefaultServlet-servlet.xml under the src/main/webapp/WEB-INF/ directory.

2. Then, run your webstore project again and enter the URL, http://localhost:8080/webstore/; you will see an HTTP Status 500 error message on your web page and a FileNotFoundException error in the stack trace as follows:

   java.io.FileNotFoundException: Could not open ServletContext resource [/WEB-INF/DefaultServlet-servlet.xml]
   

   

   An error message displaying FileNotFoundException for DefaultServlet-servlet.xml

3. To fix this error, change the name of DefaultServlet to DispatcherServlet in web.xml; basically, after changing the...