Seeme like there should be document that is kept whereby everytime a breaking 
change is made it gets documented at the time it is committed.

On Wed, Oct 20, 2021 at 04:55:42PM -0400, Christopher wrote:
> If somebody were to volunteer to create such a document, they could do so
> from some of the many 3rd party java API comparison tools. I'm not sure
> which tool would work best for this purpose, though.
> 
> If anybody does this, let us know which one worked best for you. We could
> also amend the release notes with whatever you find. That could be useful.
> 
> On Wed, Oct 20, 2021, 15:14 Jeremy Kepner <[email protected]> wrote:
> 
> > There should be a document that clearly states 1.10 functions will not
> > work in 2.0
> > so folks can grep their code to check.  Otherwise you have to install 2.0
> > and then just
> > work through the errors one-by-one.
> >
> > On Tue, Oct 19, 2021 at 11:17:09AM -0400, Christopher wrote:
> > > The best reference is the release notes:
> > > https://accumulo.apache.org/release/accumulo-2.0.0/
> > >
> > > On Tue, Oct 19, 2021, 09:15 Jeremy Kepner <[email protected]> wrote:
> > >
> > > > Is there a list of things in 1.10 that will no longer work in 2.0.
> > > >
> > > > On Tue, Oct 19, 2021 at 08:59:58AM -0400, Christopher wrote:
> > > > > Hi Vincent,
> > > > >
> > > > > To supplement what Mike said, it's possible some stuff that was
> > > > > deprecated in 1.10 was dropped in 2.0. I don't have a comprehensive
> > > > > list of what that might include, but anything marked as deprecated in
> > > > > 1.10 is subject to removal in 2.0. If I recall, we did try to limit
> > it
> > > > > somewhat. It wouldn't really make sense to create a shim to restore
> > > > > those APIs, though, because that would just reintroduce code we
> > > > > explicitly dropped, which defeats the purpose of a major version
> > bump.
> > > > > In semantic versioning, the entire point of a major version bump is
> > to
> > > > > declare a break in the backwards compatibility of the public API.
> > > > >
> > > > > If you need the code that was dropped, you probably aren't ready to
> > > > > move to 2.x. 1.10 is an LTM release, so that means we intend to keep
> > > > > patching important bugs until a year after our next LTM (which hasn't
> > > > > yet been released). So, if you need to stay on 1.10, you have plenty
> > > > > of time to update your code to stop using deprecated APIs and avoid
> > > > > non-public APIs.
> > > > >
> > > > > On Tue, Oct 19, 2021 at 8:10 AM Mike Miller <[email protected]>
> > wrote:
> > > > > >
> > > > > > If the library was written using only the public API then it
> > shouldn't
> > > > be a
> > > > > > problem. See https://accumulo.apache.org/api/
> > > > > > Accumulo follows SemVer to maintain compatibility of the public API
> > > > between
> > > > > > versions. There are a lot of changes between 1.10 and 2.0 but
> > anything
> > > > in
> > > > > > the public API in 1.10 should still exist in 2.0, even if
> > deprecated.
> > > > > > If the library is calling internal methods or extending internal
> > > > classes,
> > > > > > then that is a different story. If it uses internals then I
> > recommend
> > > > > > refactoring to use the public API if possible.
> > > > > >
> > > > > >
> > > > > > On Mon, Oct 18, 2021 at 3:38 PM Vincent Russell <
> > > > [email protected]>
> > > > > > wrote:
> > > > > >
> > > > > > > Hello,
> > > > > > >
> > > > > > > I am interested in using an accumulo query and storage library
> > that
> > > > was
> > > > > > > written against accumulo version 1.10 and I am interested in
> > using
> > > > it with
> > > > > > > accumulo 2.0.
> > > > > > >
> > > > > > > Is there a shim that exists that would allow the library to be
> > used
> > > > for
> > > > > > > both versions that could be activated at compile time via a maven
> > > > profile
> > > > > > > or something?
> > > > > > >
> > > > > > > Thanks,
> > > > > > > Vincent
> > > > > > >
> > > >
> >

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