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Enterprise Java Programming with IBM WebSphere by Daniel Berg, Greg Hester, Mark Weitzel, Gary Craig, David Pitt, Jim Amsden, Kyle Brown, Russell Stinehour, Peter M. Jakab

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Chapter 21. Testing and Debugging EJBs in WSAD

In Chapters 7 and 8 we explored how to develop and test servlets using a simple example that updates employees in a relational database. In Chapter 13, we modified the example using JSPs to simplify dynamic page generation. In Chapter 16 we extended the example domain model and implemented the data mapping layer using Martin Fowler's Data Mapper pattern. Recall that in the summary section of Chapter 16 we discussed a number of issues that weren't covered by the data mapper pattern including domain specific transaction management and security. Data mapper relies on the underlying database management system to provide transaction management and access control through JDBC. Migrating capabilities that ...

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