Manipulating Managed Execution Runtimes to Support Self-Healing Systems

Rean Griffith; Gail E. Kaiser

Manipulating Managed Execution Runtimes to Support Self-Healing Systems
Griffith, Rean
Kaiser, Gail E.
Technical reports
Computer Science
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Columbia University Computer Science Technical Reports
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Self-healing systems require that repair mechanisms are available to resolve problems that arise while the system executes. Managed execution environments such as the Common Language Runtime (CLR) and Java Virtual Machine (JVM) provide a number of application services (application isolation, security sandboxing, garbage collection and structured exception handling) which are geared primarily at making managed applications more robust. However, none of these services directly enables applications to perform repairs or consistency checks of their components. From a design and implementation standpoint, the preferred way to enable repair in a self-healing system is to use an externalized repair/adaptation architecture rather than hardwiring adaptation logic inside the system where it is harder to analyze, reuse and extend. We present a framework that allows a repair engine to dynamically attach and detach to/from a managed application while it executes essentially adding repair mechanisms as another application service provided in the execution environment.
Computer science
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Suggested Citation:
Rean Griffith, Gail E. Kaiser, 2005, Manipulating Managed Execution Runtimes to Support Self-Healing Systems, Columbia University Academic Commons, http://hdl.handle.net/10022/AC:P:29159.

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