View Larger Image	Tom Marrs, Scott Davis O'Reilly Media, Paperback, Published October 2005, 306 pages, ISBN 0596007345
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• Programming Languages : Java
• Other Topics : Open Source

• O'Reilly Media

Consisting of a number of well-known open source products, JBoss is more a family of interrelated services than a single monolithic application. But, as with any tool that's as feature-rich as JBoss, there are number of pitfalls and complexities, too.

Most developers struggle with the same issues when deploying J2EE applications on JBoss: they have trouble getting the many J2EE and JBoss deployment descriptors to work together; they have difficulty finding out how to get started; their projects don't have a packaging and deployment strategy that grows with the application; or, they find the Class Loaders confusing and don't know how to use them, which can cause problems.

JBoss at Work: A Practical Guide helps developers overcome these challenges. As you work through the book, you'll build a project using extensive code examples. You'll delve into all the major facets of J2EE application deployment on JBoss, including JSPs, Servlets, EJBs, JMS, JNDI, web services, JavaMail, JDBC, and Hibernate. With the help of this book, you'll:

• Implement a full J2EE application and deploy it on JBoss


• Discover how to use the latest features of JBoss 4 and J2EE 1.4, including J2EE-compliant web services


• Master J2EE application deployment on JBoss with EARs, WARs, and EJB JARs


• Understand the core J2EE deployment descriptors and how they integrate with JBoss-specific descriptors


• Base your security strategy on JAAS

Written for Java developers who want to use JBoss on their projects, the book covers the gamut of deploying J2EE technologies on JBoss, providing a brief survey of each subject aimed at the working professional with limited time.

If you're one of the legions of developers who have decided to give JBoss a try, then JBoss at Work: A Practical Guide is your next logical purchase. It'll show you in plain language how to use the fastest growing open source tool in the industry today. If you've worked with JBoss before, this book will get you up to speed on JBoss 4, JBoss WS (web services), and Hibernate 3.

Table of Contents

Preface

1. Getting Started with JBoss
     Why "JBoss at Work"?
     Why JBoss?
     The Example: JAW Motors
     The Tools
     Installing JBoss
     Deploying Applications to JBoss
     Looking Ahead-

2. Web Applications
     The Servlet Container
     Three-Tier Applications
     Exploring the Presentation Tier
     Building the View Cars Page
     Adding a Model and Controller
     Looking Ahead-

3. Building and Deploying an EAR
     WARs Versus EARs
     Application.xml
     Common JAR
     Deploying the EAR
     Adding a DAO
     Using XDoclet
     Looking Ahead-

4. Databases and JBoss
     Persistence Options
     JDBC
     JNDI
     JNDI References in web.xml
     JBoss DataSource Descriptors
     JDBC Driver JARs
     Database Checklist
     Accessing the Database Using Ant
     Creating JDBCCarDAO
     Looking Ahead-

5. Hibernate and JBoss
     The Pros and Cons of ORMs
     Hibernate Mapping Files
     Hibernate MBean Service Descriptor
     Creating a HAR
     Adding the HAR to the EAR
     Creating a JNDI lookup
     Hibernate Checklist
     HibernateCarDAO
     Adding a Car
     Editing a Car
     Deleting a Car
     Looking Ahead-

6. Stateless Session Beans
     Issues with EJBs
     Should I Use EJB or Not?
     Business Tier
     Enterprise JavaBeans
     Our Example
     Iteration 1-Introduce a Session Bean
     Calling the Session Bean from the Controller Servlet
     EJB-Based JNDI References in Web-Based Deployment Descriptors
     Session Bean Types
     Session Beans
     Remote Versus Local EJB Calls
     Local and Remote Interfaces
     Home Interfaces
     Reviewing Iteration 1
     Testing Iteration 1
     Iteration 2-Move Business Logic Out of the Controller
     Reviewing Iteration 2
     Testing Iteration 2
     Iteration 3-Buy a Car
     The AccountingDTO
     Developing the HibernateAccountingDAO
     Adding buyCar( ) to the InventoryFacadeBean
     Reviewing Iteration 3
     Testing Iteration 3
     Final Thoughts on Session Beans
     Looking Ahead . . .

7. Java Message Service (JMS) and Message-Driven Beans
     Sending Messages with JMS
     Upgrade the Site: Running a Credit Check
     JMS Architecture Overview
     JMS Messaging Models
     Creating a Message
     Sending the Message
     Core JMS API
     Sending a JMS Message
     JMS-Based JNDI References in Web-Based Deployment Descriptors
     Deploying JMS Destinations on JBoss
     JMS Checklist
     Message-Driven Beans (MDBs)
     MDB Checklist
     Testing the Credit Check
     Looking Ahead . . .

8. JavaMail
     Running a Credit Check
     Sending Email Messages with JavaMail
     Upgrading the MDB to Send an Email Message
     Sending an Email Message
     JavaMail-Based JNDI References in EJB Deployment Descriptors
     Automating JavaMail-Based JNDI References with XDoclet
     Deploying JavaMail on JBoss
     JavaMail Checklist
     Testing the Credit Check Notification Email
     Looking Ahead . . .

9. Security
     J2EE Security
     Web-Based Security
     Restricting Access with web.xml
     JAAS
     Deploying a JAAS-Based Security Realm on JBoss
     Testing Secure JSPs
     Protecting the Administrative Actions
     Web Security Checklist
     Integrating Web Tier and EJB Tier Security
     EJB Security
     EJB Security Checklist
     Looking Ahead . . .

10. Web Services
     Web Services Architecture
     JBoss 4.x and Web Services
     J2EE 1.4 and Web Services
     Implementing J2EE 1.4 Web Services
     Service Endpoint Interface (SEI)
     Modifying ejb-jar.xml
     webservices.xml
     JAX-RPC Mapping File
     WSDL File
     Set the Web Service URL
     Modifying the InventoryFacadeBean EJB
     Web Services Deployment
     Automating Web Services Deployment
     J2EE Web Services Checklist
     Testing Web Services Deployment
     Web Services Client
     Implementing a Web Service Client
     Web Service Client Checklist
     Testing the Web Service Client
     Final Thoughts on J2EE 1.4 Web Services
     Conclusion
     Congratulations!

A. ClassLoaders and JBoss

B. Logging and JBoss

C. JAAS Tutorial

Index

About the Authors

Tom Marrs, a 20 year veteran in the software industry, is the Principal and Senior Software Architect at Vertical Slice, a consulting firm that designs and implements mission-critical business applications using the latest J2EE and Open Source technologies, along with providing architecture evaluation and developer training and mentoring services.

Tom is the lead author of JBoss At Work: A Practical Guide (O’Reilly, 2005), has been published in Java Developers’ Journal, and authored and/or co-authored several technical training courses. Tom teaches Java/J2EE/JBoss training classes, speaks regularly at software conferences such as No Fluff Just Stuff, and reviews best-selling technical books for major publishers.

An active participant in the local technical community, Tom has served as President of the Denver Java Users Group. Scott Davis is a senior software engineer with DigitalGlobe, a satellite imaging company. His role in the company is technical evangelist: educating developers in geographic technologies and making complex topics accessible to non-technical end users.

Scott is a frequent presenter at national conferences and local user groups. He was the president of the Denver Java Users Group in 2003 when it was voted one of the top-ten JUGs in North America.

Dec 28, 2006     Wayne from Martha's Vineyard, MA
An odd book that has its place
This is definitely not a programmer-level introduction to writing effective J2EE/JBoss applications or components, and definitely isn't sufficient as a deployment guide. It probably serves best as a relatively brief and fairly readable "here's an idea of what you can do with JBoss as your J2EE container" guide, if that's what you're after.

It really breezes along showing how an application *could* look, but without any details on essential performance optimizations you'd need for a real enterprise app, and without any detail on error conditions, etc. to guide through real-world development efforts. In that sense, it's like a consolidated series of articles from JavaPro or something, only a bit better written while not having the detail even that set of articles would have.

Even looking over the coverage of a few topics I've done significant implementation on (JMS and JavaMail, for example), you wouldn't implement things the simple way described here unless it was purely a proof of concept. Some key API pieces (JMX, for example) aren't even mentioned. Threading and execution scheduling is barely mentioned.

So if that kind of detail (or deliberate glossing over thereof) is what you're after, this is a perfectly fine book. For the real work necessary for deployment, look to much more complete guides--for J2EE, start with Rod Johnson's *J2EE Design and Deployment*. For Hibernate, the Bauer/King books are what you'd be after.

Problem is, for JBoss itself, the open source doc from the JBoss site *is* probably the best thing out there--other books that try to dive into the platform issues didn't sell sufficiently to warrant updating and keeping current, or are just badly written and organized. In that sense, Marrs and Davis' book does stand out as at least a good, you know, book.

Mar 21, 2006     Mike Cohn (mike@mountaingoatsoftware.com) from Boulder, CO
This book truly is a practical guide
The subtitle for this book is A Practical Guide. That subtitle is perfect. This is one of the most immediately useful and practical books Ive read in a long time. I began using JBoss at the same time I started reading this book and I appreciated that the book started out with the relatively simple task of getting JBoss installed. However, while the book starts at an introductory level it doesnt stay there. It progresses through more advanced topics such as JMS, JavaMail, JAAS, and Web Services. The writing is clear and enjoyable throughout. An extended example of a car dealer carries forward throughout the book. This helps the concepts fit together and build upon one another. JBoss at Work is highly informative and, as its subtitle promises, a practical guide. I highly recommend it.

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