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NPEFix: Automatic Runtime Repair of Null ...
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Document type :
Pré-publication ou Document de travail
Title :
NPEFix: Automatic Runtime Repair of Null Pointer Exceptions in Java
Author(s) :
Cornu, Benoit [Auteur]
Université de Lille, Sciences et Technologies
Self-adaptation for distributed services and large software systems [SPIRALS]
Durieux, Thomas [Auteur]
Self-adaptation for distributed services and large software systems [SPIRALS]
Université de Lille, Sciences et Technologies
Seinturier, Lionel [Auteur] refId
Université de Lille, Sciences et Technologies
Self-adaptation for distributed services and large software systems [SPIRALS]
Institut Universitaire de France [IUF]
Monperrus, Martin [Auteur]
Université de Lille, Sciences et Technologies
Self-adaptation for distributed services and large software systems [SPIRALS]
HAL domain(s) :
Informatique [cs]/Génie logiciel [cs.SE]
English abstract : [en]
Null pointer exceptions, also known as null dereferences are the number one exceptions in the field. In this paper, we propose 9 alternative execution semantics when a null pointer exception is about to happen. We implement ...
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Null pointer exceptions, also known as null dereferences are the number one exceptions in the field. In this paper, we propose 9 alternative execution semantics when a null pointer exception is about to happen. We implement those alternative execution strategies using code transformation in a tool called NPEfix. We evaluate our prototype implementation on 11 field null dereference bugs and 519 seeded failures and show that NPEfix is able to repair at runtime 10/11 and 318/519 failures.Show less >
Language :
Anglais
Collections :
  • Centre de Recherche en Informatique, Signal et Automatique de Lille (CRIStAL) - UMR 9189
Source :
Harvested from HAL
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  • http://arxiv.org/pdf/1512.07423
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