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From "Maarten Coene (JIRA)" <>
Subject [jira] Commented: (IVY-770) MakePom task handling of mulitple artifacts for Maven2
Date Mon, 14 Jun 2010 22:28:14 GMT


Maarten Coene commented on IVY-770:

I'm not convinced this should be solved like this. 
Ivy supports multiple artifacts for a module, maven does not. Perhaps it's better to raise
an exception when trying to convert such a module?

Mapping multiple artifacts to multiple maven modules isn't the same!

Using your example: adding a dependency in Ivy on your module is like this:
<dependency org="myorg" name="mymodule" rev="1.0" />

But when the POM is created like this, the dependency-declaration must be rewritten to point
to the artifacts directly:
<dependency org="myorg" name="artifact-core" rev="1.0" />
<dependency org="myorg" name="artifact-util" rev="1.0" />

Another approach which maybe could solve some (but not all) issue could be making use of the
maven-jar-plugin in combination with the 'classifier' element.
I'm not a maven user, so I don't know if this would help, but maybe it's worth investigating?


> MakePom task handling of mulitple artifacts for Maven2
> ------------------------------------------------------
>                 Key: IVY-770
>                 URL:
>             Project: Ivy
>          Issue Type: Improvement
>          Components: Maven Compatibility
>    Affects Versions: 2.0.0-beta-2
>            Reporter: Paul Wardrip
>            Priority: Minor
>         Attachments: apache-ivy-2.0.0-makepom-with-unit-tests.patch, apache-ivy-2.0.0-makepom.patch
> Maven2 won't create more than one uniquely named artifact for a project, unless you set
the packaging to "pom". Then you have a separate pom for each of the artifacts, referencing
the project pom with a parent tag. They would get deployed like this:
> /myorg/mymodule/1.0/mymodule-1.0.pom
> /myorg/artifact-core/1.0/artifact-core-1.0.pom
> /myorg/artifact-core/1.0/artifact-core-1.0.jar
> /myorg/artifact-util/1.0/artifact-util-1.0.pom
> /myorg/artifact-util/1.0/artifact-util-1.0.jar
> Resolution: Change MakePom task to build separate poms when it detects multiple uniquely
named artifacts.

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