Re: MJAR maven 4 usage and deps

Le 27/08/2026 à 14:24, Romain Manni-Bucau a écrit :

> let say I have a class AwesomeService, i want a java 8 impl (src/main/java)
> which uses jackson 2 and a java 25 version which uses jackson 3
> (META-INF/versions/25).
> how do I handle that since both are literally like different codebase.

I'm not aware of any way to handle that with standard Java. Maybe with 
Maven profiles, but it would force the use of Maven for running the 
application (not only for building).


> in other words it seems we only handle java specificities but in today's
> world the java version related specificities is about transitive
> dependencies too so we should be able to configure a <dependencies> block
> per source directory IMHO with overrides of the default block.

Okay, but this is additional work beyond the support of --release 
option. It can be a discussion for future Maven developments.

     Martin