Hi all,

+1 to remove it in 1.3.

Thanks,
Alex

On Thu, Sep 18, 2025 at 3:56 PM Dmitri Bourlatchkov <[email protected]> wrote:
>
> EL is officially deprecated since 1.0.0 [1] :)
>
> +1 to removing it in 1.3. I'll open a PR to add this to CHANGELOG / docs.
>
> [1]
> https://polaris.apache.org/releases/1.0.0/metastores/#eclipselink-deprecated
>
> Cheers,
> Dmitri.
>
> On Thu, Sep 18, 2025 at 9:51 AM Robert Stupp <[email protected]> wrote:
>
> > +1 on "officially" deprecating EL in 1.2 + removing it in 1.3
> >
> > On Thu, Sep 18, 2025 at 7:53 AM Jean-Baptiste Onofré <[email protected]>
> > wrote:
> > >
> > > Hi,
> > >
> > > I agree with Yufei:
> > > 1. I would announce EclipseLink will be removed in 1.3
> > > 2. We do remove it in the 1.3 release
> > > 3. I don't think we need any tool: moving from EclipseLink to JDBC
> > > should be smooth and with minimal effort. For one shot effort, not
> > > sure it's worth to spend time on "migration tool".
> > >
> > > Regards
> > > JB
> > >
> > > On Thu, Sep 18, 2025 at 1:41 AM Yufei Gu <[email protected]> wrote:
> > > >
> > > > +1 on removing it. Given Polaris’ monthly release cadence, it seems
> > fine to
> > > > wait two (remove in 1.3) or three (remove in 1.4) more releases.
> > > >
> > > > https://github.com/apache/polaris-tools/tree/main/polaris-synchronizer
> > can
> > > > migrate principals, but doesn't support policies.
> > > >
> > > > I’m not sure it’s worth building another type of migration tool for
> > this
> > > > use case, we might be better off improving the existing ones.
> > > >
> > > >
> > > > Yufei
> > > >
> > > >
> > > > On Wed, Sep 17, 2025 at 1:10 PM Adam Christian <
> > > > [email protected]> wrote:
> > > >
> > > > > You are right, Russell. We should make a clear migration path, so our
> > > > > EclipseLink users are able to easily transition off on EclipseLink.
> > I know
> > > > > that this has come up before [1]. Let me investigate a few options
> > on what
> > > > > guidance we can give or what tooling we can produce.
> > > > >
> > > > > [1] https://github.com/apache/polaris/issues/1875
> > > > >
> > > > > Cheers,
> > > > >
> > > > > Adam
> > > > >
> > > > > On Wed, Sep 17, 2025 at 3:49 PM Dmitri Bourlatchkov <
> > [email protected]>
> > > > > wrote:
> > > > >
> > > > > > We have two migration tools:
> > > > > >
> > > > > > *
> > > > > >
> > > > >
> > https://github.com/apache/polaris-tools/tree/main/iceberg-catalog-migrator
> > > > > >
> > > > > > *
> > https://github.com/apache/polaris-tools/tree/main/polaris-synchronizer
> > > > > >
> > > > > > I'm pretty confident that iceberg-catalog-migrator works well, but
> > it can
> > > > > > only migrate tables, not principals.
> > > > > >
> > > > > > I never personally used polaris-synchronizer, still it's supposed
> > to
> > > > > > migrate all Polaris data, including principals.
> > > > > >
> > > > > > Cheers,
> > > > > > Dmitri.
> > > > > >
> > > > > > On Wed, Sep 17, 2025 at 3:13 PM Russell Spitzer <
> > > > > [email protected]
> > > > > > >
> > > > > > wrote:
> > > > > >
> > > > > > > +1 I think removing EclipseLink should happen soon now that we
> > have 2
> > > > > > > releases with it deprecated. I have
> > > > > > > looked too deeply into this but do we have a migration plan for
> > users
> > > > > > > already on EclipseLink to get over to the
> > > > > > > JDBC Impl?
> > > > > > >
> > > > > > > On Wed, Sep 17, 2025 at 12:53 PM Dmitri Bourlatchkov <
> > [email protected]
> > > > > >
> > > > > > > wrote:
> > > > > > >
> > > > > > > > Thanks for bringing this issue up, Adam!
> > > > > > > >
> > > > > > > > I support removing EclipseLink code immediately.
> > > > > > > >
> > > > > > > > My rationale:
> > > > > > > >
> > > > > > > > * Due to EclipseLink deprecation, non-trivial new features are
> > not
> > > > > > > > necessarily implemented there [1]
> > > > > > > >
> > > > > > > > * Any new bugs reported for EclipseLink are not likely to get
> > > > > attention
> > > > > > > > because this backend is in decline.
> > > > > > > >
> > > > > > > > * Users had better migrate to a supported backend earlier. If
> > > > > migration
> > > > > > > is
> > > > > > > > deferred, it will likely mean that any issues related to
> > migration
> > > > > will
> > > > > > > > take even longer to be found.
> > > > > > > >
> > > > > > > > * Polaris 1.1.0 still has EclipseLink, which offers users a
> > supported
> > > > > > > > version where critical issues could still be fixed, if they are
> > > > > found.
> > > > > > > >
> > > > > > > > * Having EclipseLink in the codebase adds overhead for new
> > features
> > > > > > that
> > > > > > > > touch Persistence.
> > > > > > > >
> > > > > > > > [1]
> > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > >
> > > > >
> > https://github.com/apache/polaris/pull/2197/files#diff-59a870c7af1578200236f22d35fd2eb75dc2a1e73e51218464eb7ba089217da7R759
> > > > > > > >
> > > > > > > > Cheers,
> > > > > > > > Dmitri.
> > > > > > > >
> > > > > > > > On Wed, Sep 17, 2025 at 1:27 PM Adam Christian <
> > > > > > > > [email protected]> wrote:
> > > > > > > >
> > > > > > > > > Howdy Polaris Community!
> > > > > > > > >
> > > > > > > > > I was going through our open bugs and I noticed that there
> > are
> > > > > > around 5
> > > > > > > > to
> > > > > > > > > 10 bugs related to EclipseLink persistence. I was wondering
> > when we
> > > > > > > > > believe a good time to remove EclipseLink would be.
> > > > > > > > >
> > > > > > > > > Personally, I think we could probably start doing it now
> > since it's
> > > > > > > been
> > > > > > > > > deprecated since 1.0.0 and we have a clear alternative. I
> > believe
> > > > > > there
> > > > > > > > are
> > > > > > > > > several pros for our users such as streamlined documentation
> > and
> > > > > > > benefits
> > > > > > > > > to the contributors such as less issues, dependencies, and
> > modules.
> > > > > > > > >
> > > > > > > > > How do y'all feel about this?
> > > > > > > > >
> > > > > > > > > If we are aligned, I can create the issue and start working
> > on it.
> > > > > > > > >
> > > > > > > > > Cheers,
> > > > > > > > >
> > > > > > > > > Adam
> > > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > >
> > > > >
> >

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