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From "Torsten Curdt" <tcu...@apache.org>
Subject Re: [all] change group id? [WAS Re: [logging] RC on ibiblio ?]
Date Wed, 07 Jun 2006 10:59:50 GMT
Brett,

any comments on this?

cheers
--
Torsten

On 6/6/06, Dennis Lundberg <dennisl@apache.org> wrote:
> Brett, I did the test that you suggested.
>
> 1. Installed commons-lang 1.0.1 into my local repo with
> groupId=org.apache.commons
>
> mvn install:install-file -DgroupId=org.apache.commons
> -DartifactId=commons-lang -Dversion=1.0.1 -Dpackaging=jar
> -Dfile=/path/to/commons-lang-1.0.1.jar
>
> 2. Created Maven 2 projects a, b and c with the dependencies mentioned
> below.
>
> 3. Installed projects a and b into my local repo
> mvn install
>
> 4. packaged project c as a war
> mvn package
>
> The resulting war file includes both commons-lang-1.0.1.jar and
> commons-lang-2.1.jar which was what you thought would happen.
>
> So this is bad, I guess. Anyone who uses commons components transitively
> in a Maven 2 environment are likely to be bitten by this. They must keep
> the same groupId for all commons-lang dependencies, as an example, in
> the entire chain of transitive dependencies. I.e. they can't mix
> groupId=commons-lang and groupId=org.apache.commons. This can be a PITA
> since some of the dependencies are most likely out of the projects own
> control.
>
> What do you suggest we do? Should we wait with this relocation until a
> version of Maven 2 is released that can handle these kind of dependencies?
>
> --
> Dennis Lundberg
>
> Brett Porter wrote:
> > an extensive test should be something along the lines of:
> >
> > project A depends on commons-lang:commons-lang 2.1
> > project B depends on o.a.c:commons-lang 1.0
> > project C is a webapp that depends on A and B
> >
> > webapp should have only one commons-lang.
> >
> > You could do this with your own repository (and something completely
> > artificial instead of commons-lang if it makes it easier).
> >
> > - Brett
> >
> > Dennis Lundberg wrote:
> >> Hi Brett
> >>
> >> Sorry, I misunderstood you regarding when to do the testing. So, no I
> >> haven't done the test, yet. Can you elaborate a bit more on what needs
> >> to be tested? Perhaps you know of an artifact that has been relocated
> >> that we can have a look at, to see how they have done.

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