J2EE Deployment: The JOnAS Case Study
Francois Exertier
Abstract
La specification J2EE (Java 2 platform Enterprise Edition) definit une architecture de serveur d'application Java. Jusqu'a J2EE 1.3, seuls les aspects de deploiement concernant le developpeur d'applications etaient adresses. Avec J2EE 1.4, les interfaces et les etapes de deploiement ont ete plus precisement specifiees dans la specification "J2EE Deployment". JOnAS (Java Open Application Server) est une plate-forme J2EE developpee au sein du consortium ObjectWeb. Les aspects deploiement sont en cours de developpement. Cet article decrit les concepts lies au deploiement dans J2EE, ainsi que les problematiques levees lors de leur mise en oeuvre pour JOnAS. Il n'a pas pour but de presenter un travail abouti, mais illustre le deploiement par un cas concret et ebauche une liste de besoins non encore satisfaits dans le domaine. ----- The J2EE (Java 2 platform Enterprise Edition) specification defines an architecture for Java Application Servers. Until J2EE 1.3, the deployment aspect was addressed from the developer point of view only. Since J2EE 1.4, deployment APIs and steps have been more precisely specified within the "J2EE Deployment Specification". JOnAS (Java Open Application Server) is a J2EE platform implementation by ObjectWeb. The deployment aspects are under development. This article describes the J2EE Deployment concepts, and the issues raised when implementing deployment features within JOnAS. It does not provide a complete solution, but illustrates deployment through a concrete example and initiates a list of non fulfilled requirements.
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