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From: =?ISO-8859-1?Q?Herv=E9?= BOUTEMY <herve.boutemy@free.fr>
To: Maven Users List <users@maven.apache.org>
Subject: Re: ${project.parent.parent.version} does not work
Date: Fri, 02 Dec 2016 19:02:23 +0100
Message-ID: <47767819.W6aCbNok7c@herve-desktop>
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archived-at: Fri, 02 Dec 2016 18:02:27 -0000

I confirm that it is not expected to work currently: here is the reference=
=20
documentation for pom interpolation:
http://maven.apache.org/ref/3-LATEST/maven-model-builder/
index.html#Model_Interpolation

there is not parent element in parent

Was it expected to work with Maven 2, before the whole effective pom=20
calculation was rewritten?
Did you try?

Regards,

Herv=E9

Le vendredi 2 d=E9cembre 2016, 11:31:31 CET Florian Sch=E4tz a =E9crit :
> Hello,
>=20
> for a project I would like to resolve the "grandparent" version:
>=20
> <grandparent.version>${project.parent.parent.version}</grandparent.versio=
n>
>=20
> Unfortunately, with Maven 3.3.9 this simply doesn't work, the effective
> pom shows it as unresolved:
>=20
> <grandparent.version>${project.parent.parent.version}</grandparent.versio=
n>
>=20
> I can reproduce it with any new probject a simple way is, for example,
> using a spring boot project (which should have a parent
> (spring-boot-parent) and a grandparent (spring-boot-dependencies):
>=20
> <?xml version=3D"1.0" encoding=3D"UTF-8"?>
> <project xmlns=3D"http://maven.apache.org/POM/4.0.0"
> xmlns:xsi=3D"http://www.w3.org/2001/XMLSchema-instance"
> 	xsi:schemaLocation=3D"http://maven.apache.org/POM/4.0.0
> http://maven.apache.org/xsd/maven-4.0.0.xsd">
> 	<modelVersion>4.0.0</modelVersion>
>=20
> 	<groupId>com.example</groupId>
> 	<artifactId>demo</artifactId>
> 	<version>0.0.1-SNAPSHOT</version>
> 	<packaging>jar</packaging>
>=20
> 	<parent>
> 		<groupId>org.springframework.boot</groupId>
> 		<artifactId>spring-boot-starter-parent</artifactId>
> 		<version>1.4.2.RELEASE</version>
> 		<relativePath/> <!-- lookup parent from repository -->
> 	</parent>
>=20
> 	<properties>
> 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
>=20
> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
> 		<java.version>1.8</java.version>
>=20
> <grandparent.version>${project.parent.parent.version}</grandparent.versio=
n>
> </properties>
> =09
> </project>
>=20
> Any ideas how to access the parent.parent.version otherwise?
> Unfortunately, I only found closed issues where
> ${project.parent.parent.version} was given as a workaround...
>=20


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