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The Emergence of Software Diversity inMaven Central
KTH, School of Electrical Engineering and Computer Science (EECS), Software and Computer systems, SCS.ORCID iD: 0000-0003-0541-6411
Univ Rennes, Inria, CNRS, IRISA, Rennes, France.
KTH, School of Electrical Engineering and Computer Science (EECS), Software and Computer systems, SCS.
Univ Rennes, Inria, CNRS, IRISA, Rennes, France.
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2019 (English)In: 16th International Conference on Mining Software Repositories, Montréal, QC, Canada: IEEE conference proceedings, 2019, p. 333-343Conference paper, Published paper (Refereed)
Abstract [en]

Maven artifacts are immutable: an artifact that is uploaded on Maven Central cannot be removed nor modified. The only way for developers to upgrade their library is to releasea new version. Consequently, Maven Central accumulates all the versions of all the libraries that are published there, and applications that declare a dependency towards a library can pick any version. In this work, we hypothesize that the immutability of Maven artifacts and the ability to choose any version naturally support the emergence of software diversity within Maven Central. We analyze 1,487,956 artifacts that represent all the versions of 73,653 libraries. We observe that more than 30% of libraries have multiple versions that are actively used by latest artifacts. In the case of popular libraries, more than 50% of their versions are used. We also observe that more than 17% of libraries have several versions that are significantly more used than the other versions. Our results indicate that the immutability of artifacts in Maven Central does support a sustained level of diversity among versions of libraries in the repository.

Place, publisher, year, edition, pages
Montréal, QC, Canada: IEEE conference proceedings, 2019. p. 333-343
Keywords [en]
Maven Central, Software Diversity, LibraryVersions, Evolution, Open-Source Software
National Category
Computer Systems
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:kth:diva-254553DOI: 10.1109/MSR.2019.00059OAI: oai:DiVA.org:kth-254553DiVA, id: diva2:1333541
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MSR
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QC 20190802

Available from: 2019-07-01 Created: 2019-07-01 Last updated: 2019-08-02Bibliographically approved

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Soto-Valero2019(1638 kB)38 downloads
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File name FULLTEXT01.pdfFile size 1638 kBChecksum SHA-512
25b3678665e96dfd67d9e24177dd23199f40b21d93330f92fb6c656fcb821854f278f52818a0c402bfbf08a9f36eff5cbfb72bd05450f8bbcd78a60b7b59fa52
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Soto Valero, CésarHarrand, NicolasBaudry, Benoit
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