Towards a dynamic-update-enabled JVM

Gregersen, Allan Raundahl; Simon, Douglas N.; Jôrgensen, Bo Nørregaard

doi:10.1145/1562860.1562862

Cited by 11 publications

(19 citation statements)

References 6 publications

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“…It has been used to enhance Integrated Development Environments (IDEs) reload functionality. In addition, the authors suggested a JVM, called Javeleon , to reduce the performance degradation caused by DCF .…”

Section: Review Of Dynamic Software Updating Systemsmentioning

confidence: 99%

A survey of dynamic software updating

Seifzadeh

Abolhassani

Moshkenani

2012

J Software Evolu Process

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Application update at run-time remains a challenging issue in software engineering. There are many techniques with different evaluation metrics, resulting in different behaviours in the application being updated. In this paper, we provide an extensive review of research work on dynamic software updating. A framework for the evaluation of dynamic updating features is developed, and the articles are categorized and discussed based on the provided framework. Areas of online software maintenance requiring further research are also identified and highlighted. This information is deemed to not only assist practitioners in selecting appropriate dynamic updating techniques for their systems, but also to facilitate the ongoing and continuous research in the field of dynamic software updating.

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Section: Review Of Dynamic Software Updating Systemsmentioning

confidence: 99%

A survey of dynamic software updating

Seifzadeh

Abolhassani

Moshkenani

2012

J Software Evolu Process

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“…stack traces are obscure because of generated proxy methods). Gregersen et al [16] advocate the idea of having a dynamic-update-enabled virtual machine and outline its advantages.…”

Section: Javamentioning

confidence: 99%

Dynamic code evolution for Java

Würthinger

Wimmer

Mössenböck

2010

Proceedings of the 8th International Conference on the Principles and Practice of Programming in Java

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Dynamic code evolution is a technique to update a program while it is running. In an object-oriented language such as Java, this can be seen as replacing a set of classes by new versions. We modified an existing high-performance virtual machine to allow arbitrary changes to the definition of loaded classes. Besides adding and deleting fields and methods, we also allow any kind of changes to the class and interface hierarchy. Our approach focuses on increasing developer productivity during debugging. Changes can be applied at any point a Java program can be suspended. The evaluation section shows that our modifications to the virtual machine have no negative performance impact on normal program execution. The fast in-place instance update algorithm ensures that the performance characteristics of a change are comparable with performing a full garbage collection run. Standard Java development environments are capable of using the code evolution features of our modified virtual machine, so no additional tools are required.

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“…Also others have argued that JVM modifications are an important way to improve dynamic updates of programs [13]. Our approach to modify a state-of-the-art production JVM combines the ability of dynamic updates and high-performance program execution.…”

Section: Dynamic Code Evolutionmentioning

confidence: 99%

Improving aspect-oriented programming with dynamic code evolution in an enhanced Java virtual machine

Würthinger

Binder

Ansaloni

et al. 2010

Proceedings of the 7th Workshop on Reflection, AOP and Meta-Data for Software Evolution

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Dynamic aspect-oriented programming (AOP) is a powerful approach for integrating new features into running applications without disrupting their execution. In Java, dynamic AOP frameworks often use runtime weaving of previously loaded classes, which is however severely restricted because of limitations in current Java Virtual Machines (JVMs). These constraints make it very difficult or even impossible to support important AOP features such as static join point information, around() advice, or explicit structural modifications of classes and the class hierarchy. In this position paper we advocate the idea of using advanced dynamic code evolution features to improve dynamic AOP. We present an enhanced JVM, based on a state-of-the-art production JVM, which offers unrestricted class redefiniton. Thanks to this feature, we are able to redesign the dynamic AOP framework HotWave in order to overcome the aforementioned restrictions in the programming model.

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Towards a dynamic-update-enabled JVM

Cited by 11 publications

References 6 publications

A survey of dynamic software updating

A survey of dynamic software updating

Dynamic code evolution for Java

Improving aspect-oriented programming with dynamic code evolution in an enhanced Java virtual machine

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