Re: Help upgrading 3.0.2 code to 4.2.2

At this point, as I am willing to reshuffle everything, I may just try
to use Bootique 4.0-M1 too.
This effort may also help providing some feedback on how to possibly
integrate OpenTelemetry.
If I don't stumble under the effort, it may be an epic achievement! =F0=9F=
=A4=AA

Giulio Cesare

On Sun, Oct 26, 2025 at 11:58=E2=80=AFPM Andrus Adamchik <[email protected]=
om> wrote:
>
> Good luck! Straight to the future :)
>
> > On Oct 26, 2025, at 12:21=E2=80=AFPM, [email protected] wrote:
> >
> > I just got back to my project, trying to finalize the upgrade, and I
> > find out there is a brand new version of Cayenne available.
> > I am going to try to jump directly from 3.0.2 to 5.0-M1. =F0=9F=8E=A2
> > Wish me luck! =F0=9F=A4=B9
> >
> > Giulio Cesare
> >
> > On Sat, Oct 4, 2025 at 10:29=E2=80=AFAM [email protected]
> > <[email protected]> wrote:
> >>
> >> Thanks Michael,
> >> I now need to find how to rewire what I was previously doing mostly
> >> using the org.apache.cayenne.conf package.
> >> I suppose this is part of the friction I'll have to go through to get
> >> a plain Jar (with Jetty).
> >>
> >> Thanks for the pointer.
> >>
> >> Giulio Cesare
> >>
> >> On Wed, Oct 1, 2025 at 9:16=E2=80=AFPM Michael Gentry <blacknext@gmail=
.com> wrote:
> >>>
> >>> Hi Giulio,
> >>>
> >>> In 4.2, you get the ObjectContext from the Cayenne Runtime:
> >>>
> >>> https://cayenne.apache.org/docs/4.2/getting-started-guide/#getting-st=
arted-with-objectcontext
> >>>
> >>> mrg
> >>>
> >>> On Wed, Oct 1, 2025 at 5:23=E2=80=AFAM [email protected] <
> >>> [email protected]> wrote:
> >>>
> >>>> Hello,
> >>>> I have been able to fix almost all the warnings and errors.
> >>>> I have to points that I am not able to fix, though:
> >>>> - I was still using DataContext (instead of ObjectContext); is this
> >>>> still a useful class? Otherwise, how do I create a DataContext, as
> >>>> `DataContext.createDataContext();` is not defined
> >>>> - how do I replace the use of ServletUtil.initializeSharedConfigurat=
ion?
> >>>>
> >>>> Thanks,
> >>>> Giulio Cesare
> >>>>
> >>>> On Tue, Sep 30, 2025 at 3:50=E2=80=AFPM [email protected]
> >>>> <[email protected]> wrote:
> >>>>>
> >>>>> Thanks Andrus!
> >>>>>
> >>>>> I'll report on any progress with my upgrade.
> >>>>>
> >>>>> Giulio Cesare
> >>>>>
> >>>>> On Tue, Sep 30, 2025 at 2:26=E2=80=AFPM Andrus Adamchik <aadamchik@=
gmail.com>
> >>>> wrote:
> >>>>>>
> >>>>>> Hi Giulio,
> >>>>>>
> >>>>>> SelectQuery is replaced with ObjectSelect. But in your case (a que=
ry
> >>>> modeled in the DataMap), you would actually use something else - a
> >>>> MappedSelect query per
> >>>> https://cayenne.apache.org/docs/4.2/cayenne-guide/#mappedselect-and-=
mappedexec
> >>>>>>
> >>>>>> MappedSelect.query("attachment", Attachment.class)
> >>>>>>    .param("reference", aReference)
> >>>>>>    .param("user", anUser)
> >>>>>>    .select(context);
> >>>>>>
> >>>>>> Thanks,
> >>>>>> Andrus
> >>>>>>
> >>>>>>
> >>>>>>> On Sep 30, 2025, at 3:15=E2=80=AFAM, [email protected] wrot=
e:
> >>>>>>>
> >>>>>>> Hello everybody,
> >>>>>>>
> >>>>>>> even if this will force me to admit how old I am, I still have so=
me
> >>>>>>> Cayenne 3.0.2 code happily running in production with no issues.
> >>>>>>>
> >>>>>>> Lately I was trying to upgrade the application from a WAR (runnin=
g in
> >>>>>>> Tomcat) to a standalone application exposing the servlets via Jet=
ty,
> >>>>>>> in order to make the application easier to deploy in a docker
> >>>>>>> container.
> >>>>>>>
> >>>>>>> After some struggle to update the model, I am now facing a LOT of
> >>>>>>> deprecation warnings like this:
> >>>>>>>> [deprecation] SelectQuery in org.apache.cayenne.query has been
> >>>> deprecated
> >>>>>>>
> >>>>>>> The code I have looks like this:
> >>>>>>> -------------------
> >>>>>>> prototypeQuery =3D
> >>>>>>>
> >>>> (SelectQuery)dataContext.getEntityResolver().lookupQuery("attachment=
");
> >>>>>>>
> >>>>>>> parameters =3D new HashMap();
> >>>>>>> parameters.put("reference", aReference);
> >>>>>>> parameters.put("user", anUser);
> >>>>>>> query =3D prototypeQuery.queryWithParameters(parameters);
> >>>>>>>
> >>>>>>> result =3D (List<Attachment>)dataContext.performQuery(query);
> >>>>>>> -------------------
> >>>>>>>
> >>>>>>> Unfortunately I never had the opportunity to use any newer versio=
n of
> >>>>>>> Cayenne, so I haven't followed along with all the changes that it=
 has
> >>>>>>> gone through.
> >>>>>>>
> >>>>>>> Is there anyone willing to suggest me what the above code snippet
> >>>>>>> would look like with the new version of Cayenne?
> >>>>>>>
> >>>>>>> Thanks,
> >>>>>>>
> >>>>>>> Giulio Cesare
> >>>>>>
> >>>>
>