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From: Christofer Dutz <christofer.dutz@c-ware.de>
To: "users@maven.apache.org" <users@maven.apache.org>
Subject: AW: How to manage dependency "includes"?
Thread-Topic: How to manage dependency "includes"?
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Date: Thu, 7 Jan 2016 14:25:57 +0000
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Hi Ron,

Well I guess that's out of the question.=20

We were thinking about that, but the normal workflow would be:
- Search in the company nexus which lib provides a given package
- Include that in the pom

That would work around the "managed-pom" approach. So users would have to l=
ook at each dependency, if there is a special pom version in the system. I =
think that's definitely not going to work.=20

In this company there are about 200 developers working on 50-60 different p=
rojects, that are assembled to about 20 different products. Currently we'll=
 live with excluding stuff and having users add missing dependencies during=
 the unit-, integration- , acceptance-test phases, but it would have been e=
asier with some "exclusions/inclusions" mechanism.

Chris

________________________________________
Von: Ron Wheeler <rwheeler@artifact-software.com>
Gesendet: Montag, 4. Januar 2016 17:19
An: users@maven.apache.org
Betreff: Re: How to manage dependency "includes"?

You can simplify the problem that you are having by making a module that
includes the correct version of the third party modules and having your
modules depend on that with a "provided" scope.
This also makes all of your jars and wars a lot smaller since only one
copy of each API is included in the whole project rather than having the
code appear in every one of your modules that needs it.

This speeds your builds by a lot and save individual developers from
having to think about the "correct" version of each library. They just
include the aggregated libraries that they need.  For example Apache
Commons stuff would be supplied by your module
com.example:myapachecommons:1.0-SNAPSHOT with scope provided.

http://blog.artifact-software.com/tech/?tag=3Dmaven might be a useful set
of articles.


Ron
On 04/01/2016 3:38 AM, Christofer Dutz wrote:
> Hi,
>
>
> I am currently cleaning up in the dependencies of a quite big set of big =
projects. For this I am making a lot of use of dependency management. One t=
hing I did come across quite a lot of times is this problem:
>
>
> Some libs reference undesired libs, mostly API libs (in most cases they r=
eference artifacts that contain parts of some API packages). To prevent the=
m from being used, we exclude them in the dependencyManagement section. Now=
 the downside is that now the API packages are missing. In order to fix thi=
s, we now have to manually add dependencies to the API modules wherever the=
 artifact is used. It would be cool, if there was not only an "exclusion" b=
ut also an "inclusion" mechanism in dependencyManagement, so we could actua=
lly manage situations like this.
>
>
> Is there a better way of resolving this type of problem? Would adding a f=
eature like the "inclusions" to Maven be a good idea? If not, what are the =
problems with it? If yes, what can I do to help get it in (Would be glad to=
 contribute something like this)?
>
>
> Chris
>
>
>
>


--
Ron Wheeler
President
Artifact Software Inc
email: rwheeler@artifact-software.com
skype: ronaldmwheeler
phone: 866-970-2435, ext 102


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