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BAEL-5083: add Maven parent POM resolution samples (#11182) 

Co-authored-by: Ralf Ueberfuhr <ralf.ueberfuhr@ars.de>
This commit is contained in:
Ralf Ueberfuhr 2021-09-01 04:22:43 +02:00 committed by GitHub
parent 622ac3e401
commit f19d76fac2
7 changed files with 104 additions and 0 deletions
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3
maven-modules/maven-parent-pom-resolution/README.md Normal file
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### Relevant Articles:
- [Understanding the "relativePath" Tag - Maven Parent POM Resolution At A Glance](https://www.baeldung.com/maven-relativepath)

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maven-modules/maven-parent-pom-resolution/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung</groupId>
<artifactId>maven-parent-pom-resolution</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>pom</packaging>
<modules>
<module>project-a</module>
</modules>
<!-- to detect the POM hierarchy, just type "mvn dependency:display-ancestors" -->
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>3.2.0</version>
</plugin>
</plugins>
</pluginManagement>
</build>
</project>

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maven-modules/maven-parent-pom-resolution/project-a/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>project-a</artifactId>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>maven-parent-pom-resolution</artifactId>
<version>1.0-SNAPSHOT</version>
<!-- The parent pom is resolved to ../pom.xml -->
</parent>
<packaging>pom</packaging>
<modules>
<module>project-b</module>
<module>project-c</module>
</modules>
</project>

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maven-modules/maven-parent-pom-resolution/project-a/project-b/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>project-b</artifactId>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>project-a</artifactId>
<version>1.0-SNAPSHOT</version>
<!-- The parent pom is resolved to project a's pom.xml -->
</parent>
<packaging>pom</packaging>
</project>

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maven-modules/maven-parent-pom-resolution/project-a/project-c/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>project-c</artifactId>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>project-b</artifactId>
<version>1.0-SNAPSHOT</version>
<relativePath>../project-b/pom.xml</relativePath>
<!-- The parent pom is resolved to project a's pom.xml -->
</parent>
<packaging>pom</packaging>
<modules>
<module>project-d</module>
</modules>
</project>

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maven-modules/maven-parent-pom-resolution/project-a/project-c/project-d/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>project-d</artifactId>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>project-a</artifactId>
<version>1.0-SNAPSHOT</version>
<!-- removing relativePath won't work even if project-a is the aggregator project -->
<!-- it only works in IntelliJ IDEA when project-a is registered as a Maven Project -->
<relativePath>../../pom.xml</relativePath>
</parent>
<packaging>pom</packaging>
</project>

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maven-modules/pom.xml
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<module>host-maven-repo-example</module>
<module>plugin-management</module>
<module>maven-surefire-plugin</module>
<module>maven-parent-pom-resolution</module>
</modules>
</project>