Towards automatic verification of web-based SOA applications

Authors:
Xiangping Chen;Gang Huang;Hong Mei
Affiliations:
Key Laboratory of High Confidence Software Technologies, Ministry of Education, School of Electronics Engineering and Computer Science, Peking University, Beijing, China;Key Laboratory of High Confidence Software Technologies, Ministry of Education, School of Electronics Engineering and Computer Science, Peking University, Beijing, China;Key Laboratory of High Confidence Software Technologies, Ministry of Education, School of Electronics Engineering and Computer Science, Peking University, Beijing, China
Venue:
APWeb'08 Proceedings of the 10th Asia-Pacific web conference on Progress in WWW research and development
Year:
2008

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Abstract

Nowadays, developing web applications in a Service-Oriented Architecture (SOA) style is emerging as a promising approach for delivering services to end users. Such web-based SOA applications are likely to suffer correctness and reliability problems mainly because their runtime environments (including web browsers and service platforms) are heterogeneous and their service interactions and flows are complex without explicit specifications. In this paper, we propose a model-checking based approach for verifying web-based SOA applications. At first, the application behavior will be automatically specified by analyzing the web-side source codes. And it will be combined with the pre-defined environment behavior so that a precise and complete enough behavior model of the application can be generated automatically. With user-defined constraint and refinement specifications, the behavior model is automatically translated to the formal specification (Promela for Spin) as the input of the model checker. If the model is flawed, the application has correctness and reliability problems. The violation traces generated by the model checker will be visualized in the behavior model for helping developers to solve the detected problems in a user-friendly manner.