I am traveling home from abroad right now but I can look into things when I
get settled back. That said, I am sure others are far less rusty than me on
this. That said, from my rusty/simplistic perspective:

Would the best case be that the whole stack be built with one
compiler/language version, the newest supported, so we uncover any build
issues and then mail them to teams? Would that be helpful to getting those
build issues resolved, or are such notifications going unanswered? Meaning
do we change the Java version and then wait, rather than work around things?

Sorry if that is missing something obvious (I haven’t touched Java in well
over a decade.)

Regards,

Adam

On Tue, Aug 10, 2021 at 11:15 PM Mark Thomas <ma...@apache.org> wrote:

> On 10/08/2021 21:38, Mark Thomas wrote:
> > On 10/08/2021 21:17, Adam Jack wrote:
> >> Thanks for the update. Good luck.
> >
> > Thanks. I think I am going to need it. This is going to be *far* from
> > simple.
> >
> > There is lots of code currently being built by Gump that needs changes
> > to build with Java 9+.
> >
> > You will have seen I started to try and hack around the issues with
> > Commons Lang 2.4 (it was using source=1.4) but forcing source to 1.6
> > (the minimum Java 11 supports) just creates a different problem - the
> > source using "enum" as an identifier but it is a reserved word from Java
> > 5 onwards.
> >
> > I don't see a simple or quick solution for this.
> >
> > Is there a way in Gump to get just some projects to build with a
> > different JAVA_HOME? Switching just the Tomcat 10.1.x builds to Java 11
> > is the minimum requirement. We can then take a harder look at the
> > dependency chains and see what we can do to update versions / trim
> > things down.
>
> On the topic of dependency chains, log4j 1.2.x is currently blocking
> progress.
>
> I need to set the source and target to 1.6 (local testing on vmgump
> suggests this will then work) but I don't know how to do that.
>
> I see "POM overrides" in a few places But I can't figure out how to use
> them. Is there a way to copy the log4j POM, store it somewhere in Gump
> and then tweak it (essentially change "1.4" to "1.6")?
>
> Mark
>
>
> >
> > Mark
> >
> >
> >
> >>
> >> Adam
> >>
> >> On Tue, Aug 10, 2021, 15:57 Mark Thomas <ma...@apache.org> wrote:
> >>
> >>> All,
> >>>
> >>> Since Tomcat's main development branch now requires Java 11, I have
> >>> started the process of moving Gump over to Java 11.
> >>>
> >>> So far, I have added Java 11 to the packages installed by Puppet.
> >>>
> >>> I want to confirm that Java 11 has been installed, then I'll switch
> >>> JAVA_HOME to point to Java 11 rather than Java 8. In theory that should
> >>> 'just work'. When it doesn't (optimistic soul that I am), we'll have to
> >>> see what fails and figure out the best way to deal with each issue.
> >>>
> >>> Once everything is running smoothly on Java 11, then I'll remove Java
> 8.
> >>>
> >>> Mark
> >>>
> >>> ---------------------------------------------------------------------
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> >>>
> >>>
> >>
> >
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> >
>
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