Hi Willie,

You're right, upgrading to DN 4.2 will break that service.

Although we aim to preserve backwards compatibility between releases, this
might be worth making an exception for; I doubt that many people use that
API.  And I understand that the JDOQLTypeQuery replacement is more
functional.

As to whether there will be any complications in doing the upgrade, it's
hard to anticipate.  Generally upgrades have been relatively painless, even
the move from DN 3.x to 4.x when quite a lot of DN was rearchitected.  So
my guess is that the move from DN 4.1 to 4.2 should be fairly
straightforwad.

I've raised ISIS-1276 [1] for this work, have scheduled for 1.12.0.  But if
you want to spike it on a branch to see if there are any issues for you,
please do.

Cheers
Dan

[1] https://issues.apache.org/jira/browse/ISIS-1276


On 4 December 2015 at 03:51, Willie Loyd Tandingan <[email protected]>
wrote:

> Hi!
>
> Would there be any complications updating DataNucleus to 4.2.0? According
> to [1], They removed DataNucleus JDO Typesafe Query and replaced it with
> JDO 3.2 JDOQLTypeQuery so I think IsisJdoSupport is one thing that needs to
> be updated.
>
> Thanks!
>
> [1] http://www.datanucleus.org/products/datanucleus/migration.html
>

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