October 2007
Intermediate to advanced
496 pages
16h 50m
English
Content preview from Tomcat: The Definitive Guide, 2nd Edition
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Layout of a Web Application
Tomcat provides an implementation of both the servlet and JSP specifications. These specifications are in turn part of Sun's Java Enterprise Edition. Java EE is designed to let application developers move their applications from one compliant application server (a program that implements the Java EE specification) to another, without significant rewriting or revising. To accomplish this, applications are packaged in very specific, portable ways; for example, as web application archives or enterprise application archives.
The Java Servlet Specification defines the Web Application aRchive (WAR) file format and its file structure for this very purpose. For your webapp to be application-server-implementation-independent, your files must follow certain conventions, such as the directory layout for storing web pages, configuration files, and so on. This general layout is shown in Figure 3-2.
Figure 3-2. Servlet/JSP web application file layout
As a concrete example, Acme Widgets' site might look like Example 3-1.
Example 3-1. Example web application file layout
/ /index.jsp /products.jsp /widgets/index.html /widgets/pricing.jsp /images/logo.png /WEB-INF/web.xml /WEB-INF/classes/com/acme/PriceServlet.class /WEB-INF/classes/DataHelper.class /WEB-INF/lib/acme-util.jar
As you can see, the web pages (whether static HTML, dynamic JSP, or another dynamic templating language's ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.