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As multi-source, component based platforms are becoming widespread both for constrained devices and cloud computing, the need for automatic logging framework is increasing. Indeed, components from untrusted and possibly competing vendors are being deployed to the same runtime environments. They are also being integrated, with some components from a vendor being exposed as a service to another one. This paper presents our investigations on an automated log-based architecture called LogOS, focused on service interactions monitoring. We developed it on top of Java / OSGi to enable identification between bundle providers in cases of failures. We motivate the need for an automatic logging framework in service-oriented architectures, and discuss the requirements of such frameworks design. We present our implementation on OSGi. Finally, we position our approach and give some perspectives.