Manipulating classpath items should preserve item order #865
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Hey buddy ! |
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hello stephane ! I'm on vacation too ! There is no hurry I will have to wait for a release before I put this in james build anyway :D enjoy your rest :D |
slandelle
requested changes
Aug 18, 2025
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Sorry about that you are perfectly right. I changed the implementation to use a |
slandelle
requested changes
Aug 18, 2025
jeantil
commented
Aug 19, 2025
`getClasspathElements` computes the compilation and test compilation classpath from `MavenProject#getCompileClasspathElements` which is a `List<String>`. Transforming from the ordered `List<String>` into an unordered `Hashset<File>` can change the order of classpath elements. While this didn't cause a compilation issue in my case it could. It did break the [develocity cache key computation](https://develocity.apache.org/c/unuozmm6ecqpc/nusnauq3l6a6u/goal-inputs?expanded=WyJuemRibm96bGFrZ2FnLWNsYXNzcGF0aGVsZW1lbnRzIiwibnpkYm5vemxha2dhZy1jbGFzc3BhdGhFbGVtZW50cy0wLWZpbGUtb3JkZXIiXQ) I'm using to improve Apache James build times.
slandelle
approved these changes
Aug 19, 2025
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Hey @jeantil 4.9.6 is out with your fix. Sorry for the delay. |
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Thank you for letting me know ! the delay is perfectly normal :D |
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ScalaCompileMojo#getClasspathElementsandScalaTestCompileMojo#getClasspathElementscompute the compilation and test compilation classpath fromMavenProject#getCompileClasspathElementswhich is aList<String>.Transforming from the ordered
List<String>into an unorderedHashset<File>can change the order of classpath elements.In my specific case, it broke the develocity cache key computation I'm using to improve Apache James build times.
In other cases it could lead to incorrect compilation or compilation errors ..