Here is what learned about my problem:
* It is certainly possible to have a child pom (extension) have a
different version that its parent pom (base) - (good!)
* My problem was due to use of variable ${pom.parent.version} within
dependencyManagement section. Apparently the variable gets
resolved in the child poms of extension and not where is is
defined. This was causing incorrect version to be picked up
The fix was to hard-code the version in dependencyManagement section of
extension.pom to be same as the pom.parent.version in extension.pom.
Thanks.
Farrukh Najmi wrote:
If this is not possible then whats is the best way to avoid
duplication of conetnt between base.pom and extension.pom?
Also please see a typo fix inline below...
Farrukh Najmi wrote:
Dear Colleagues,
I have two separate projects "base" and "extension".
Each project is really a multi-project inheritance hierarchy.
Finally extension pom is a sub pom of base pom.
The pom inheritance is as follows:
base
base-sub1
base-sub2
extension
extension-sub1
extension-sub2
Since base and pom are separately released projects they need to be
version independent of each other.
For example it should be possible for version 2.0 of base be the
parent pom of version 1.0 of extension.
I recently discovered that this may not be possible. It seems that if
I give extension pom a version it applies the same
version to parent during build even though parent was give a separate
and explicit version:
<project>
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>base</groupId>
<artifactId>base</artifactId>
<version>2.0</version>
</parent>
<groupId>derived</groupId>
<artifactId>derived</artifactId>
<version>1.0</version>
...
</project>
Oops above should have read:
<project>
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>base</groupId>
<artifactId>base</artifactId>
<version>2.0</version>
</parent>
<groupId>extension</groupId>
<artifactId>extension</artifactId>
<version>1.0</version>
...
</project>
It appears that building above pom causes version 1.0 of base to be
used instead of 2.0.
What am I doing wrong?
--
Regards,
Farrukh Najmi
Web: http://www.wellfleetsoftware.com
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