So ... Do you suggest to have it removed from XE for next releases ?
Just to know, because if in some way I remove/exclude it from my extension,
and you also remove it from XE, there are chances that it will be missing
completely for my extension :)


2012/11/16 Thomas Mortagne <[email protected]>

> On Fri, Nov 16, 2012 at 10:33 AM, Jeremie BOUSQUET <
> [email protected]> wrote:
>
> > 2012/11/16 Thomas Mortagne <[email protected]>
> >
> > > On Thu, Nov 15, 2012 at 8:16 PM, Jeremie BOUSQUET <
> > > [email protected]> wrote:
> > >
> > > > Hello,
> > > >
> > > > I'm testing installation of an extension with extension manager /
> > > extension
> > > > repository, on XE 4.3-milestone-2:
> > > > - deploy my extension (xar + deps) from maven to a local nexus
> > > > - import this extension into the extension repo in my xwiki
> > > > - try to install it with EM
> > > >
> > > > I get a conflict:
> > > > Dependency [javax.jcr:jcr-2.0] is not compatible with core extension
> > > > [javax.jcr:jcr-1.0]
> > > >
> > >
> > > I'm trying to understand from where this come from actually. I don't
> have
> > > it when I build XE war myself but I can find it in the wars on
> > >
> > >
> >
> http://maven.xwiki.org/snapshots/org/xwiki/enterprise/xwiki-enterprise-web/4.3-SNAPSHOT/
> > >
> > >
> > >
> > > > This dependency is a transitive dependency (runtime) of a mstor
> library
> > > > needed by my app. Currently, it is used in xwiki in version 1.0.
> > > >
> > > > I first tried to add an <exclusion> block for it in my pom.xml,
> > > redeployed,
> > > > reimported, reinstalled, with same result.
> > > >
> > >
> > > Yes EM does not support exclusions. It's hard to handle in such an
> > > environment where you potentially have several extension depending on
> the
> > > same thing.
> > >
> > >
> > Sure, but in an environment with growing number of dependencies,
> > transitivity, and versions, you could also say that it will be hard to
> > handle without those little maven tricks as optional or exclusions ...
> >
>
>
> > BTW, does EM take into account dependencies scope ?
> >
>
> Yes.
>
>
> >
> >
> > >
> > > > I then added jcr 1.0 in a dependencyManagement section in order to
> > > override
> > > > version 2.0 brought by mstor, but again with same result.
> > > >
> > >
> > > Same thing, right now when EM is looking at your transitive
> dependencies
> > it
> > > lost the dependencyManagement from your pom.xml already.
> > >
> > >
> > > > BTW, additionally, the folder targeted by xwiki.data.dir remains
> empty
> > > ...
> > > > Seems a bit strange.
> > > >
> > >
> > > Maybe it's set in your xwiki.properties files.
> > >
> >
> > It is, but to that same location as of xwiki.data.dir ...
> >
> >
> > >
> > >
> > > > How can I solve this issue ?
> > > >
> > >
> > > Not an easy one.
> > >
> > > I can think of several things:
> > > * upgrade the jcr version in XE (I'm trying to look at what this means
> > > exactly)
> > > * have a custom version of your dependency with a different version of
> > jcr
> > > deployed somewhere like http://maven.xwiki.org/externals/ (not very
> > nice)
> > >
> > >
> > Yep not nice at all ... In that case and as it would be customized, I
> would
> > even prefer to deploy it along my own extension artifacts.
> >
> >
> > > * add support for a kind of exclusion/dependency overrides in EM
> > >
> > > You sure your dependency would fully work with jcr-1.0 ? What is this
> > > dependency by the way ?
> > >
> >
> > I use mstor as a concrete implementation to create a Javamail filesystem
> > Store. I understand it must use jcr to manage some metadata and structure
> > content. So there is a big risk that it will not work with jcr-1.0
> anyway.
> > And depending on from where comes the jcr 1.0 in XE, then it could break
> on
> > XE side to switch to jcr 2.0.
> > That being said, I just checked on a local XE 3.5.1, that I could make
> use
> > of mstor (for my needs of course) in this instance with manually added
> > mstor 0.9.13, and with the jcr 1.0 that came from XE (already).
> >
> > I could also try to find another provider for such Store, but as far as I
> > searched mstor was the easiest to use and the one most fitting my need.
> > I could also make it an "optional" feature, and leave to the user the
> > possibility to manually add that mstor library if he wants to unlock the
> > feature. But I don't really like that as it's not really EM philosophy.
> >
> > Would be interesting to know from where comes jcr that's in XE anyway.
> >
>
> Ok I found it. Not sure why I don't have it when I build the WAR. It's
> triggered by xwiki-platform-legacy-oldcore.
>
> So it's not "really" needed. It's used for the JCR/XPATH query
> implementation in the old query plugin.
>
>
> >
> > >
> > >
> > > >
> > > > Thanks,
> > > > Jeremie
> > > > _______________________________________________
> > > > users mailing list
> > > > [email protected]
> > > > http://lists.xwiki.org/mailman/listinfo/users
> > > >
> > >
> > >
> > >
> > > --
> > > Thomas Mortagne
> > > _______________________________________________
> > > users mailing list
> > > [email protected]
> > > http://lists.xwiki.org/mailman/listinfo/users
> > >
> > _______________________________________________
> > users mailing list
> > [email protected]
> > http://lists.xwiki.org/mailman/listinfo/users
> >
>
>
>
> --
> Thomas Mortagne
> _______________________________________________
> users mailing list
> [email protected]
> http://lists.xwiki.org/mailman/listinfo/users
>
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