public class SCL implements ServletContextListener {

    @Override
    public void contextDestroyed(ServletContextEvent event) {
        // TODO Auto-generated method stub

    }

    @Override
    public void contextInitialized(ServletContextEvent event) {
        ServletContext ctx = event.getServletContext();
        try (PrintWriter pw = new PrintWriter(new FileWriter("/home/dave/Desktop/scl.txt"))) {
            pw.println(ctx.getContextPath());
        } catch (Exception e){
        }
    }
}