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< The Web Centric Approach - Build in Tests >

Bugkilla and J2EE Web Application Test

Multitier Application Scenario

The multitier application scenario consists of EJB and web components. The applications business logic can be hosted in both containers. The use of EJB has advantages by making business logic available outside of web applications.

Multitier applications are not strictly preferable for testing purposes. But the monitoring and querying of EJBs is easier than doing this job with web components. Hereby the entity beans are easier to test than session beans because the latter have either no identity (being stateless) or are non reentrant (statefull) during a test.

Still without a clear demarcation of responsibilities between web and EJB components a multitier design will not result in easier tests.

Rule 3

Multitier applications are not the silver bullet to tackle quality assurance problems in J2EE.

< The Web Centric Approach - Build in Tests >