[wildfly-dev] Updating components in WildFly

[Gunnar Morling]

Hi,

I've sent a pull request which provides a Maven plug-in for patch-gen:
https://github.com/jbossas/patch-gen/pull/8. Tested it successfully by
using it to create a patch file for updating Hibernate Validator.

I hope a release - including deployment to Nexus - of this could be done
some time soon?

Thanks,

--Gunnar




2016-10-31 16:47 GMT+01:00 Gunnar Morling <gunnar at hibernate.org>:

> Hi,
>
> Users of the different Hibernate projects often wish to upgrade their
> WildFly installation to the latest releases of Hibernate ORM, Search or
> Validator.
>
> For that purpose we began to provide ZIP files containing the newer JARs
> and module.xml descriptors, to be unzipped into the server's module
> directory. We use separate slot names, so to not overwrite existing modules
> but just add newer versions next to them.
>
> But sometimes redefining the default slot actually is desirable. If an
> update for instance is just a bugfix release, it's sensible to push this to
> the main slot so users can benefit from it without having to explicitly
> specify a slot name, suppress any implicit default module and so on.
>
> But as I said we don't want to mess with any existing modules, so I've
> been looking into alternatives. One thing I found was to provide the
> updated modules in a separate layer, which then overrides the original
> modules from the "base" layer, without physically altering them. The user
> can go back to the original ones just by removing an entry in layers.conf.
>
> That works nicely, but then I also learned about the patch mechanism. So I
> wondered whether that should be the approach for us to follow, e.g. I also
> saw that Weld is providing patches for WF. Is this then the officially
> recommended way (TM) for upstream projects for shipping easy-to-use updates
> of their components for WF?
>
> One thing getting in the way of this is the lack of a Maven plug-in for
> the patch-gen tool. This makes patch creation quite unwieldy in an
> automated build process. Is there any chance for getting a Maven plug-in
> for patch-gen? If there is interest, I'd also be volunteering to provide
> it, it shouldn't take too long.
>
> Thanks for any hints,
>
> --Gunnar
>
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