Matevska-Meyer, Jasminka, Olliges, Sascha and Hasselbring, Wilhelm (2004) Runtime Reconfiguration of J2EE Applications. [Paper] In: Proceedings of DECOR 04 Conference on Software Deployment and (Re)Configuration . . Proceedings of DECOR 04 Conference on Software Deployment and (Re)Configuration . ; pp. 77-84 .

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Abstract

Runtime reconfiguration considered as “applying required changes to a running system” plays an important role for providing high availability not only of safety- and mission-critical systems, but also for commercial web-applications offering professional services. Hereby, the main concerns are maintaining the consistency of the running system during reconfiguration and minimizing its down-time caused by the reconfiguration. This paper focuses on the platform independent subsystem that realises deployment and redeployment of J2EE modules based on the new J2EE Deployment API as a part of the implementation of our proposed system architecture enabling runtime reconfiguration of component-based systems. Our “controlled runtime redeployment” comprises an extension of hot deployment and dynamic reloading, complemented by allowing for structural changes.

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