[jboss-as7-dev] Removing JAXR & backward compatiblity

[Tomaž Cerar]

We could just have special handling for loading this legacy sub extensions.
Given that they matter only for domain controller and not for everything
else it could be done.

How domain controller loads this stub stuff, should not matter to 7.2 HC,
as long it as comes in format that it can digest.



On Fri, Mar 1, 2013 at 9:48 PM, Brian Stansberry <
brian.stansberry at redhat.com> wrote:

> I'm not sure how the ServiceLoader part would work there. At least not
> with what I imagine when I think of an "alias." With some kind of stub
> where each has a different
> META-INF/services/org.jboss.as.controller.Extension file it could work.
>
> On 3/1/13 2:29 PM, David M. Lloyd wrote:
> > Yeah, I was thinking they could just be aliases or stubs though.
> >
> > On 03/01/2013 02:22 PM, Brian Stansberry wrote:
> >> In terms of code organization, perhaps. But the way the extension is
> >> activated in the HCs and servers is via the module name. So if you want
> >> a 7.2 server to be able to run CMP, there is going to have to be a
> >> module named org.jboss.as.cmp.
> >>
> >> On 3/1/13 2:13 PM, David M. Lloyd wrote:
> >>> I wonder - should we retain a skeletal version of each of these
> modules?
> >>>      I was thinking maybe it would be better to maintain one big
> >>> "removed-subsystems" or "compat-subsystems" module or something like
> >>> that where we can neatly/consistently organize all the model stuff for
> >>> these removals.
> >>>
> >>> On 03/01/2013 09:39 AM, Brian Stansberry wrote:
> >>>> Thanks Thomas, for raising this and for the JIRA.
> >>>>
> >>>> I've outlined what I think is needed for the stub extensions as a
> >>>> comment on https://issues.jboss.org/browse/AS7-6656 .
> >>>>
> >>>> Can I request that folks hold up on deleting these subsystems? I think
> >>>> it will be easier to make these changes and then delete the unneeded
> >>>> runtime stuff than it will be to semi-restore from history and then
> change.
> >>>>
> >>>> The ones that have already been deleted, it's no big deal.
> >>>>
> >>>> On 2/28/13 10:35 AM, Thomas Diesler wrote:
> >>>>> Ok, stub extensions is the obvious alternative to breaking
> compatibility. I'll leave this as a future task and create a jira for it if
> that's ok with you.
> >>>>>
> >>>>> cheers
> >>>>> --thomas
> >>>>>
> >>>>> On Feb 28, 2013, at 4:22 PM, David M. Lloyd <david.lloyd at redhat.com>
> wrote:
> >>>>>
> >>>>>> On 02/28/2013 05:57 AM, Thomas Diesler wrote:
> >>>>>>> Folks,
> >>>>>>>
> >>>>>>> related to
> >>>>>>>
> >>>>>>> * [AS7-6612 <https://issues.jboss.org/browse/AS7-6612>] Remove
> JAXR support
> >>>>>>>
> >>>>>>> I'd like to know whether we need to preserve backward
> compatibility of
> >>>>>>> the configuration and if so what should happen if there is a jaxr
> config
> >>>>>>> item? Generally, can AS8 break backward compatibility with respect
> to
> >>>>>>> the config?
> >>>>>>
> >>>>>> Brian points out that we don't have a specific requirement to
> maintain
> >>>>>> compatibility with obsolete subsystems.  I think we could go ahead
> with
> >>>>>> the removal (granted part of the reason I feel this way is that I've
> >>>>>> already removed JSR-88...).
> >>>>>>
> >>>>>> Going forward though Kabir suggested that if we do want to, say,
> allow
> >>>>>> 7.x instances to be managed from an 8.x DC, that we should create
> "stub"
> >>>>>> extensions for the removed stuff that only carry and validate
> >>>>>> configuration but aren't actually supported on 8.x servers.  This
> seems
> >>>>>> like a valid possibility to me.
> >>>>>> --
> >>>>>> - DML
> >>>>>> _______________________________________________
> >>>>>> jboss-as7-dev mailing list
> >>>>>> jboss-as7-dev at lists.jboss.org
> >>>>>> https://lists.jboss.org/mailman/listinfo/jboss-as7-dev
> >>>>>
> >>>>> xxxxxxxxxxxxxxxxxxxxxxxxxxxx
> >>>>> Thomas Diesler
> >>>>> JBoss OSGi Lead
> >>>>> JBoss, a division of Red Hat
> >>>>> xxxxxxxxxxxxxxxxxxxxxxxxxxxx
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>> _______________________________________________
> >>>>> jboss-as7-dev mailing list
> >>>>> jboss-as7-dev at lists.jboss.org
> >>>>> https://lists.jboss.org/mailman/listinfo/jboss-as7-dev
> >>>>>
> >>>>
> >>>>
> >>>
> >>>
> >>
> >>
> >
> >
>
>
> --
> Brian Stansberry
> Principal Software Engineer
> JBoss by Red Hat
> _______________________________________________
> jboss-as7-dev mailing list
> jboss-as7-dev at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/jboss-as7-dev
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.jboss.org/pipermail/jboss-as7-dev/attachments/20130301/cc4a9a77/attachment.html