Java Web Applications and Deployment Svetlin Nakov Borislava Spasova

Using Tomcat Web Application Server

Java Web Applications Structure and Deployment

Example – Login / Logout Web Application Structure The root directory of the Web application Classes of the application (including servlets) Libraries of the application (e.g. JDBC drivers) Deployment descriptor (configuration file) Public accessible files (HTML, JSP, CSS, ...) Special directory

Sample web.xml File <?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?> <web-app version=&quot;2.4&quot; xmlns=&quot;http://java.sun.com/xml/ns/j2ee&quot; xmlns:xsi=&quot;http://www.w3.org/2001/XMLSchema-instance&quot; xsi:schemaLocation=&quot;http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd&quot;> <servlet> <servlet-name>TimeServlet</servlet-name> <servlet-class>TimeServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>TimeServlet</servlet-name> <url-pattern>/TimeServlet</url-pattern> </servlet-mapping> <session-config> <session-timeout>30</session-timeout> </session-config> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app>

Creating Web Application and Deploying on Tomcat (2) <?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?> <web-app version=&quot;2.4&quot; xmlns= &quot;http://java.sun.com/xml/ns/j2ee&quot; xmlns:xsi= &quot;http://www.w3.org/2001/XMLSchema-instance&quot; xsi:schemaLocation=&quot;http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd&quot;> <servlet> <servlet-name> Hello Servlet</servlet-name> <servlet-class> Hello Servlet</servlet-class> </servlet> <servlet-mapping> <servlet-name> Hello Servlet</servlet-name> <url-pattern>/ Hello Servlet</url-pattern> </servlet-mapping> </web-app> web.xml