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Re: Updating source/target level for Java 21 compatibility to 8

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Hi,

I have prepared a script[1] to report the obvious failures here[2]. I
wonder if I should send a mass bug filing email to debian-devel
mailing list before running it?

Best Regards,
 Vladimir.

[1] https://git.launchpad.net/~vpa1977/+git/default-java21/tree/report-all.sh?h=main
[2] https://git.launchpad.net/~vpa1977/+git/default-java21/tree/?h=main

On Fri, Sep 15, 2023 at 9:54 AM Vladimir Petko
<vladimir.petko@canonical.com> wrote:
>
> Hi,
>
> >For the previous Java migrations I started with a mass rebuild and then
> filling a bug report for each broken package.
> Thank you!!! I will follow the suite then - in addition to hardcoded
> targets, there are about 93 packages with various compile errors
> including javadoc issues.
>
> >Interesting idea. Where would that variable be declared? In debhelper?
> >Will the maintainers agree?
>
> Yes, it has to be in the common code, e.g. debhelper, but adding
> something specific to Java to it might not be a good solution.
>
> >As a side note, bumping the source/target level isn't always the best
> solution.These packages are a
> recurrent source of issues when migrating to more recent JDKs, and they
> are almost never used.
>
> Maybe I can raise bugs for those and then the decision can be made on
> a case by case basis?
>
> Best Regards,
>  Vladimir.
>
> On Fri, Sep 15, 2023 at 1:52 AM Emmanuel Bourg <ebourg@apache.org> wrote:
> >
> > Le 2023-09-14 01:03, Vladimir Petko a écrit :
> >
> > > Java 21 removes source/target compatibility level 7. Some packages (8
0
> > > in total as per the attached list) have it specified in rules or
> > > Makefiles.
> > > I was wondering if it is okay to raise a single bug to update them and
> > > submit the changes as pull requests on Salsa.
> >
> > For the previous Java migrations I started with a mass rebuild and then
> > filling a bug report for each broken package. The reports had a user tag
> > to be able to follow the progress (and document the main issues
> > encountered).
> >
> > Here is for example the bug list for the migration to Java 17:
> >
> >
> > https://bugs.debian.org/cgi-bin/pkgreport.cgi?tag=default-java17;users=debian-java@lists.debian.org
> >
> > Personally I find it satisfying to see the list shrinking over time,
> > I also hoped that it would entice new contributors to join the migration
> > effort (but it barely materialized, if at all). But as long as the work
> > is done it doesn't really matter how it is organized.
> >
> >
> > > Also, we could add a DEB_ variable to specify the minimal supported
> > > level. The variable will allow us to avoid repeating this work in the
> > > future, but I am not sure what is the best way to provide it.
> >
> > Interesting idea. Where would that variable be declared? In debhelper?
> > Will the maintainers agree?
> >
> > As a side note, bumping the source/target level isn't always the best
> > solution. For example olap4j breaks when building the Javadoc, in this
> > case I recommend scrapping the -java-doc package. These packages are a
> > recurrent source of issues when migrating to more recent JDKs, and they
> > are almost never used.
> >
> > Emmanuel Bourg
> >

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Thread

Updating source/target level for Java 21 compatibility to 8 Vladimir Petko <vladimir.petko@canonical.com> - 2023-09-14 01:10 +0200
  Re: Updating source/target level for Java 21 compatibility to 8 Emmanuel Bourg <ebourg@apache.org> - 2023-09-14 16:00 +0200
    Re: Updating source/target level for Java 21 compatibility to 8 Vladimir Petko <vladimir.petko@canonical.com> - 2023-09-15 00:00 +0200
      Re: Updating source/target level for Java 21 compatibility to 8 Vladimir Petko <vladimir.petko@canonical.com> - 2023-09-25 04:20 +0200
        Re: Updating source/target level for Java 21 compatibility to 8 Emmanuel Bourg <ebourg@apache.org> - 2023-09-25 11:20 +0200

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