No, I'm building it ONCE (which is a multirelease jar) and the integration
tests run on many JVMs.
Same as you describe.

Same as what you see here
https://github.com/nielsbasjes/ToolChainsInCiBuilds/tree/main/MultiJDKInvokerTest

Last year I refactored the Apache Avro build around that same model.

Niels


On Sat, Sep 14, 2024 at 2:42 PM Tamás Cservenák <ta...@cservenak.net> wrote:

> So, you are _rebuilding_ the project on each supported java (and run
> tests)? I am more in the "build once test many" as for example if you build
> on java8 and test on java8, what that proves if you release on java21 (so
> binary built with java21 is getting to central)?
>
>
>
> On Sat, Sep 14, 2024, 14:28 Niels Basjes <ni...@basjes.nl> wrote:
>
> > I'm going to see if I can fix the RP issue here.
> >
> > ... still my original question remains ... : Is the observed behaviour of
> > the maven-release-plugin as intended?
> >
> > Niels
> >
> > On Sat, Sep 14, 2024 at 2:19 PM Niels Basjes <ni...@basjes.nl> wrote:
> >
> > > Hi,
> > >
> > > On Sat, Sep 14, 2024 at 12:36 PM Tamás Cservenák <ta...@cservenak.net>
> > > wrote:
> > >
> > >> Am not gonna answer your questions, just raise some more :)
> > >>
> > >
> > > Nice!
> > >
> > >
> > >> 1- You mention Trino and "no 22 buildchain". Well, Trino is also in RC
> > >> and as you say is Java 22, so how come?
> > >>
> > >>
> >
> https://github.com/jvm-repo-rebuild/reproducible-central/blob/master/content/io/trino/README.md
> > >> And Trino being Java 22, there have to be 22 toolchains available, no?
> > >>
> > >
> > > They use a JDK 22 only image (
> > > docker.io/library/maven:3.9.9-eclipse-temurin-22 ) that I have not yet
> > > been able to extend with the other JDKs I need.
> > > I am looking into this direction if I can fix this!
> > >
> > > 2- The setup reminds me of some similar builds we have, for example
> > >> Resolver 2.x (master).
> > >> The "baseline" for Resolver 2.x is still Java 8, but there are modules
> > >> that are Java 11 or even 17.
> > >>
> > >
> > > Yes, similar to what my project has. Depending on the UDF the JDK
> > > toolchain is different.
> > >
> > >
> > >> (True, no 22).
> > >
> > >
> > > The key problem is that 22 has such a limited lifespan that the normal
> > > packages for systems like Ubuntu are not available.
> > >
> > >
> > >> Hence, to build a Resolver you need "highest Java" and
> > >> it is enforced, that is currently 21
> > >> (I also like to stick to LTS Java versions). This way it is clear cut
> > >> what you need to build, moreover, if
> > >> if a user tries to build it with older Java, a meaningful error will
> > >> tell what the problem is and hopefully
> > >> help users to adapt (user required Java version).
> > >>
> > >
> > > Yes, I have that too.
> > > https://github.com/nielsbasjes/yauaa/blob/main/pom.xml#L518-L521
> > >
> > >
> > >> 3- I still do not understand why "use max of required Java versions"
> > >> to build the project pattern would not
> > >> work for you? So in your case, you'd require Java 22 to build (as you
> > >> do have Java 22 module) but you
> > >> can still keep some "min" bytecode output (maven.compiler.release) for
> > >> most of the modules...
> > >>
> > >
> > > The key is that for the various UDFs I need all of the older JDKs too.
> > > If I build it with 22 then the META-INF/MANIFEST.MF will contain
> > > "Build-Jdk-Spec: 22" instead of "Build-Jdk-Spec: 21".
> > > This is different enough to fail reproducibility.
> > >
> > > Niels
> > >
> > >
> > > On Sat, Sep 14, 2024 at 12:12 PM Niels Basjes <ni...@basjes.nl> wrote:
> > >> >
> > >> > Hi,
> > >> >
> > >> > The problem I have is really a balancing act between several things
> I
> > >> want
> > >> > to have at the same time that are kinda incompatible.
> > >> >
> > >> > This is the actual usecase
> > >> >
> > >>
> >
> https://github.com/nielsbasjes/yauaa/blob/5501a47189e93f4917afddafbf766d024b907f0a/udfs/pom.xml#L90-L100
> > >> >
> > >> > I have a library that does something useful and I want to be able to
> > run
> > >> > everywhere including systems that still need Java 8.
> > >> > During integration testing of the core library I run the tests under
> > >> JDK 8,
> > >> > 11, 17 and 21 (using toolchains) to ensure it actually works in all
> of
> > >> > those LTS JVMs.
> > >> > I do not like to rely on the non-LTS Java versions for building my
> > code
> > >> > with: too many updates.
> > >> > Because of some maven plugins I need to run the build under a recent
> > >> Java
> > >> > version, I have pinned that to the latest LTS: 21.
> > >> >
> > >> > I have several ready-to-run UDFs wrapping this functionality for
> > various
> > >> > engines to run in. Trino (https://trino.io/) is the only one that
> > >> requires
> > >> > Java 22 and this causes problems in my build.
> > >> >
> > >> > I also want my project to be reproducible so it is also here
> > >> >
> > >>
> >
> https://github.com/jvm-repo-rebuild/reproducible-central/blob/master/content%2Fnl%2Fbasjes%2Fparse%2Fuseragent%2Fyauaa%2FREADME.md
> > >> > The reproducible site (of which I have written part of the code
> > together
> > >> > with Hervé Boutemy <https://github.com/hboutemy>) uses docker to do
> > the
> > >> > build.
> > >> > A toolchains build that also includes JDK 22 is not in there yet
> > (there
> > >> is
> > >> > no apt install for JDK 22 available because it is considered
> > unstable).
> > >> > As a consequence the reproducibility of my project has been off
> since
> > >> the
> > >> > Trino switch to JDK 22.
> > >> >
> > >> > So I have the module activated on the JDK 22+ version that maven
> runs
> > >> > under, but I have to run it under 21 to be reproducible. Hence I
> need
> > a
> > >> > different way of activating the profile.
> > >> >
> > >> > I have been looking if I can activate a profile if a toolchain
> version
> > >> is
> > >> > available but that is not yet a feature.
> > >> > Side question: Being able to activate an optional profile IF a
> > specific
> > >> > toolchain is available; Would that be a desirable feature in maven?
> > >> >
> > >> > Back to my original question: Is the observed behaviour of the
> > >> > maven-release-plugin as intended?
> > >> >
> > >> > Niels Basjes
> > >> >
> > >> >
> > >> >
> > >> >
> > >> >
> > >> >
> > >> >
> > >> > On Fri, Sep 13, 2024, 19:26 Tamás Cservenák <ta...@cservenak.net>
> > >> wrote:
> > >> >
> > >> > > Howdy,
> > >> > >
> > >> > > I am just shooting in the dark, but why not:
> > >> > > * activate profile on Java 22+
> > >> > > * release on Java 22?
> > >> > >
> > >> > > (assuming the other module have maven.compiler.release=21 or some
> > >> > > reasonable value)
> > >> > >
> > >> > > HTH
> > >> > > T
> > >> > >
> > >> > > On Fri, Sep 13, 2024 at 11:41 AM Niels Basjes <ni...@basjes.nl>
> > >> wrote:
> > >> > > >
> > >> > > > Hi,
> > >> > > >
> > >> > > > I have in my project a maven module that is only activated if a
> > >> specific
> > >> > > > profile is active (by default it is not active).
> > >> > > > Side note: It is an part that requires Java 22, optional during
> > >> > > development
> > >> > > > and I do want to release it with the maven-release-plugin
> > >> > > >
> > >> > > > I have put this profile into both the list of profiles that need
> > to
> > >> be
> > >> > > > active during preparation and release  (see sketch below).
> > >> > > >
> > >> > > > When I do "mvn release:prepare" it does not update the
> > >> module2/pom.xml
> > >> > > with
> > >> > > > the new version.
> > >> > > > I found that I need to explicitly activate it on the commandline
> > as
> > >> well
> > >> > > to
> > >> > > > activate it there too "mvn release:prepare -PActivateModule2"
> > >> > > >
> > >> > > > I expected this profile to be active during the entire prepare
> > phase
> > >> > > (i.e.
> > >> > > > including the "update the version" part).
> > >> > > >
> > >> > > > Is this an omission/bug or is this as intended?
> > >> > > >
> > >> > > > Niels Basjes
> > >> > > >
> > >> > > > <build>
> > >> > > >   <plugins>
> > >> > > >     <plugin>
> > >> > > >       <groupId>org.apache.maven.plugins</groupId>
> > >> > > >       <artifactId>maven-release-plugin</artifactId>
> > >> > > >       <version>3.1.1</version>
> > >> > > >       <configuration>
> > >> > > >
>  <preparationProfiles>ActivateModule2</preparationProfiles>
> > >> > > >         <releaseProfiles>ActivateModule2</releaseProfiles>
> > >> > > >       </configuration>
> > >> > > >     </plugin>
> > >> > > >   </plugins>
> > >> > > > </build>
> > >> > > >
> > >> > > > <modules>
> > >> > > >   <module>module1</module>
> > >> > > > </modules>
> > >> > > >
> > >> > > > <profiles>
> > >> > > >   <profile>
> > >> > > >     <id>ActivateModule2</id>
> > >> > > >     <modules>
> > >> > > >       <module>module2</module>
> > >> > > >     </modules>
> > >> > > >   </profile>
> > >> > > > </profiles>
> > >> > > >
> > >> > > >
> > >> > > >
> > >> > > > --
> > >> > > > Best regards / Met vriendelijke groeten,
> > >> > > >
> > >> > > > Niels Basjes
> > >> > >
> > >> > >
> > ---------------------------------------------------------------------
> > >> > > To unsubscribe, e-mail: users-unsubscr...@maven.apache.org
> > >> > > For additional commands, e-mail: users-h...@maven.apache.org
> > >> > >
> > >> > >
> > >>
> > >> ---------------------------------------------------------------------
> > >> To unsubscribe, e-mail: users-unsubscr...@maven.apache.org
> > >> For additional commands, e-mail: users-h...@maven.apache.org
> > >>
> > >>
> > >
> > > --
> > > Best regards / Met vriendelijke groeten,
> > >
> > > Niels Basjes
> > >
> >
> >
> > --
> > Best regards / Met vriendelijke groeten,
> >
> > Niels Basjes
> >
>


-- 
Best regards / Met vriendelijke groeten,

Niels Basjes

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