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http://jira.codehaus.org/browse/MVERSIONS-123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=239728#action_239728
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Stephen Connolly commented on MVERSIONS-123:
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if there is no property _defined_ in B then there are no updates that can be
made in B so when you run the goal within the scope of the B project only, then
there is nothing to do.
A separate issue is that when you run the goal from a reactor that has both B
and A that the goal does not pick up B's usage of the property defined in A...
but AFAIK that issue is already filed.
The issue you describe is not a bug but functioning as designed.
> Version properties inparent not picked up by e.g. display-property-updates
> --------------------------------------------------------------------------
>
> Key: MVERSIONS-123
> URL: http://jira.codehaus.org/browse/MVERSIONS-123
> Project: Maven 2.x Versions Plugin
> Issue Type: Bug
> Affects Versions: 1.2
> Environment: Windows XP
> Java(TM) SE Runtime Environment (build 1.6.0_18-b07)
> Java HotSpot(TM) Client VM (build 16.0-b13, mixed mode, sharing)
> Reporter: Cornel Masson
> Attachments: versiontest.zip
>
>
> The goals operating on *property* controlled version numbers (e.g.
> display-property-updates) only work if the properties are defined in the
> targeted POM itself, not in a parent POM.
> Example:
> If module *B* has a dependency on module A, declared in B as follows:
> <dependency>
> <groupId>com.my.test</groupId>
> <artifactId>module-A</artifactId>
> <version>${module-A.version}</version>
> </dependency>
> but ${module-A.version} is not defined in B's own POM, but its *parent*, then
> the plugin doesn't pick it up - it simply says:
> "This project does not have any properties associated with versions"
> This is a major problem for us, since all our dependency version properties
> are defined in each project's root POM, i.e. the parent of all sub-modules in
> that project.
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