Using the service coroner tool for diagnosing stale references in the OSGi platform
Proceedings of the ACM/IFIP/USENIX Middleware '08 Conference Companion
Using fail-stop proxies for enhancing services isolation in the OSGi service platform
Proceedings of the 3rd workshop on Middleware for service oriented computing
A Practical Approach for Finding Stale References in a Dynamic Service Platform
CBSE '08 Proceedings of the 11th International Symposium on Component-Based Software Engineering
Applying dependability aspects on top of "aspectized" software layers
Proceedings of the tenth international conference on Aspect-oriented software development
Modularity for the changing meaning of changing
Proceedings of the tenth international conference on Aspect-oriented software development
Application management plug-ins through dynamically pluggable probes
Proceedings of the 1st Workshop on Developing Tools as Plug-ins
A survey of software aging and rejuvenation studies
ACM Journal on Emerging Technologies in Computing Systems (JETC) - Special Issue on Reliability and Device Degradation in Emerging Technologies and Special Issue on WoSAR 2011
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The OSGi Services Platform provides a framework for the dynamic deployment of Java-based applications. It allows to install, to activate, to update and to uninstall application modules without the need to restart the host Java Virtual Machine. However, the mishandling of such OSGi dynamics may result in a problem described in the OSGi specification as Stale References, which happen when services from uninstalled modules are still referenced by active code. It may lead to inconsistencies in application’s behavior, state and memory. Currently, there are no tools available to address this issue. This paper presents a diagnostics tool named ServiceCoroner that detects such problems. It helps developers and administrators diagnose OSGi applications running either in production or test environments. We have validated this tool on two open source applications that run on OSGi: a JavaEE application server and a multi-protocol instant messenger application. The results of the experiments show stale references in those applications.