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J2EE AntiPatterns
by Bill Dudney, Stephen Asbury, Joseph K. Krozak, Kevin Wittkopf


Wiley
1 edition
August 2003
624 pages

Reviewed by Thomas Paul, December 2003
  (9 of 10)


Did you ever have the feeling that there was something wrong with your application design but you just couldn't put your finger on the problem? The authors of this book have taken their own experience developing J2EE applications and produced a book that will help you avoid many mistakes in application design. The book is geared toward helping the experienced designer/developer produce robust, maintainable applications and fixing applications that are not robust and not easily maintained.

The book covers most of the J2EE spectrum. There are sections on JSPs, Servlets, Entity and Session Beans, JMS, and Web Services. There are also sections on general J2EE architecture including distribution, scaling, and persistence. Each chapter gives a background on a specific antipattern, discusses the typical symptoms of the antipattern, and then covers various refactorings that can be used to correct the antipattern. Some of the antipatterns discussed may sound familiar ("too much code in JSPs") but the list of refactorings will provide useful information for even these obvious coding errors if you happen to be supporting an application that suffers from that antipattern.

The authors have done a great job of clearly explaining each antipattern, both explaining why it is an antipattern and what you can do to fix the problem. Each refactoring is demonstrated with code samples as well as with UML diagrams where appropriate. Overall, this is an excellent book that should be on the shelf of anyone involved in designing J2EE applications.

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Wiley
1 edition
August 2003
624 pages

Reviewed by Michael Morris, October 2003
  (9 of 10)


J2EE AntiPatterns is a must read for any developer that wants to improve their architectural skills. If understanding basic design patterns in software development is necessary then so is the understanding of patterns that are detrimental to overall performance, scalability and maintainability.

Each AntiPattern is presented with a synopsis of aliases, scale, refactorings, refactor type, root causes, unbalanced forces (forces that work with the root cause to realize the AntiPattern) and anecdotal evidence (what a development team may say when stuck in the AntiPattern). Background info, general form, symptoms and consequences, typical causes, exceptions, refactorings, variations, an example and related solutions are provided for each AntiPattern.

The only problems I noted with the book were a few typos and it seemed that some of the AntiPatterns were duplicated under different technologies. This is a reference that all serious J2EE architects should keep along with their copy of the GOF patterns.

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