As a tangent "combine.self" shows up as an XML validation failure in maven-v4_0_0.xsd, which confusingly is used with Maven 3.
It would be nice to be able to validate XML properly. Gary On Fri, Jan 17, 2025, 04:44 Guillaume Nodet <gno...@apache.org> wrote: > The code has undergone major refactoring in the past months, so any pointer > you could find would be useless imho. > Basically, focus on impl/maven-impl and impl/maven-core, the other > subprojects are APIs or compatibility and should rarely be touched. > In your case, you're willing to alter the main model, which is located at > > > https://github.com/apache/maven/blob/master/api/maven-api-model/src/main/mdo/maven.mdo > A bunch of classes are generated from this file, just rebuild the whole > project. > > However, before trying to modify the model, I wonder if you can try > something like the following in the child: > <dependencies combine.self="override"> > ... > </dependencies> > This attribute is currently only used in XML configuration (so mainly for > plugin config), but maybe it would make sense to reuse it. > > And first, I'd also investigate the <scope>none</scope> idea, as this is > supposed to work afaik. > > Le ven. 17 janv. 2025 à 09:35, Xeno Amess <xenoam...@gmail.com> a écrit : > > > btw is there any good ways to learn about the details of the maven > project? > > etc books, or some articles, tutorials > > I read https://cwiki.apache.org/confluence/display/MAVEN/Index and found > > nearly nothing useful for starters... > > I mean, not tutorial for how to use maven, but for how to > > design/modify/develop maven > > > > Xeno Amess <xenoam...@gmail.com> 于2025年1月17日周五 15:46写道： > > > > > jira ticket opened: https://issues.apache.org/jira/browse/MNG-8526 > > > > > > mdo file modified, and please if any guy have any ideas please let me > > know > > > > > > Xeno Amess <xenoam...@gmail.com> 于2024年10月12日周六 10:45写道： > > > > > >> well I would like to implement the codes and fire a jira ticket this > > >> month, since seems nobody be strongly reject this... > > >> > > >> Richard Eckart de Castilho <r...@apache.org> 于2024年9月25日周三 23:26写道： > > >> > > >>> Ran into this also recently (again). > > >>> > > >>> I believe a good way to solve this would be to allow overriding a > > >>> dependency > > >>> inherited from the parent POM with `<scope>none</scope>` or something > > >>> like that. > > >>> > > >>> I tried overriding with `<scope>provided</scope>` but for some reason > > >>> that didn't seem to work. > > >>> > > >>> The context was trying that I typically have `slf4j-simple` as a test > > >>> dependency for all > > >>> modules so I had added that to the parent, but then I had one module > > >>> where I absolutely > > >>> needed to use the log4j SLF4J binding and I couldn't get rid of the > > >>> `slf4j-simple` then > > >>> just for that module. > > >>> > > >>> That said, in general I would advise against inheriting dependencies > > >>> from parents. > > >>> Typically, you inherit too much and that means you'll have to add > > >>> excludes for the > > >>> dependency analyzer plugin as well... it's a mess. > > >>> > > >>> -- Richard > > >>> > > >>> > On 25. Sep 2024, at 17:17, Xeno Amess <xenoam...@gmail.com> wrote: > > >>> > > > >>> > and another idea be we could add a <exclusions> and > > >>> <exclusionManagement> > > >>> > (kind of mirror to dependencies and dependencyManagement) to remove > > >>> those > > >>> > dependencies from parent &EVERY dependency... > > >>> > > > >>> > Xeno Amess <xenoam...@gmail.com> 于2024年9月25日周三 22:59写道： > > >>> > > > >>> >> Hi. > > >>> >> > > >>> >> In maven3 we cannot exclude dependencies inherited from parent. > > >>> >> > > >>> >> see this > > >>> >> > > >>> >> > > >>> > > > https://stackoverflow.com/questions/2681759/is-there-anyway-to-exclude-artifacts-inherited-from-a-parent-pom > > >>> >> > > >>> >> That be kind of annoying if situation comes to be the parent-pom > be > > >>> >> maintained by others, and you extend it and it works fine until > one > > >>> day > > >>> >> they suddenlly decide to depend on some packages you would never > > make > > >>> >> compatible/useless, and you have no permission to change their > mind. > > >>> >> What I wanna do is adding such a gramma like this: > > >>> >> > > >>> >> <parent> > > >>> >> <artifactId>base</artifactId> > > >>> >> <groupId>es.uniovi.innova</groupId> > > >>> >> <version>1.0.0</version> > > >>> >> <exclusions> > > >>> >> <exclusion> > > >>> >> <groupId>javax.mail</groupId> > > >>> >> <artifactId>mail</artifactId> > > >>> >> </exclusion> > > >>> >> </exclusions> > > >>> >> </parent> > > >>> >> > > >>> >> ' > > >>> >> but I wanna hear about your opinions first. > > >>> >> > > >>> > > >>> > > >>> --------------------------------------------------------------------- > > >>> To unsubscribe, e-mail: dev-unsubscr...@maven.apache.org > > >>> For additional commands, e-mail: dev-h...@maven.apache.org > > >>> > > >>> > > > > > -- > ------------------------ > Guillaume Nodet >
