Ignored usage of properties in child POMs

[heruan]

I have all version properties defined in the parent POM, then I have several child POMs defining dependency and plugin management.

When running display-property-updates on the parent POM, I would expect the plugin to resolve the property usage on its children; instead, it returns:

This project does not have any properties associated with versions.

Example POMs:

<project>
    <groupId>my.group</groupId>
    <artifactId>my-parent</artifactId>
    <version>1.0.0</version>
    <packaging>pom</packaging>

    <properties>
        <version.foo>1.0.0</version.foo>
    </properties>
</project>

<project>
    <parent>
        <groupId>my.group</groupId>
        <artifactId>my-parent</artifactId>
        <version>1.0.0</version>
    </parent>
    <artifactId>my-artifact</artifactId>
    <packaging>pom</packaging>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>foo.group</groupId>
                <artifactId>foo-artifact</artifactId>
                <version>${version.foo}</version>
            </dependency>
        </dependencies>
    </dependencyManagement>
</project>

Output of plugin execution:

~/my-parent$ mvn versions:display-property-updates
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO]
[INFO] my-parent                                                          [pom]
[INFO] my-artifact                                                        [pom]
[INFO]
[INFO] -------------------------< my.group:my-parent >-------------------------
[INFO] Building my-parent 1.0.0                                           [1/2]
[INFO] --------------------------------[ pom ]---------------------------------
[INFO]
[INFO] --- versions-maven-plugin:2.7:display-property-updates (default-cli) @ my-parent ---
[INFO]
[INFO] This project does not have any properties associated with versions.
[INFO]
[INFO]
[INFO] -----------------------< my.group:my-artifact >-------------------------
[INFO] Building my-artifact 1.0.0                                         [2/2]
[INFO] --------------------------------[ pom ]---------------------------------
[INFO]
[INFO] --- versions-maven-plugin:2.7:display-property-updates (default-cli) @ my-artifact ---
[INFO]
[INFO] This project does not have any properties associated with versions.
[INFO]
[INFO] my-parent .......................................... SUCCESS [  0.484 s]
[INFO] my-artifact ........................................ SUCCESS [  0.007 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  0.491 s
[INFO] Finished at: 2019-09-11T10:46:53+02:00
[INFO] ------------------------------------------------------------------------

[heruan]

@khmarbaise @olamy Any feedback on this?

[heruan]

Even quick feedback would be greatly appreciated, just to understand if this is an actual bug, if it's already known and fixed in master, if there's a workaround. Thanks!

[delanym]

@heruan why did you choose this way of organising your project? Have you stuck with it? I ask because i have the same problem, and I thought i'd just remove the properties