Pom

Goals Use JUnit Maven BOM for version alignment Add minimal dependencies for JUnit5 Java Projekt Setup Excerpt from the Maven project’s pom.xml: <dependencyManagement> <dependencies> <dependency> <groupId>org.junit</groupId> <artifactId>junit-bom</artifactId> <version>5.7.1</version> <type>pom</type> <scope>import</scope> </dependency> </dependencies> </dependencyManagement> <dependencies> <dependency> <groupId>org.junit.jupiter</groupId> <artifactId>junit-jupiter</artifactId> <scope>test</scope> </dependency> </dependencies> JUnit5 does not work with older versions of the Maven Compiler Plugin and the Surefire Plugin used for test execution. Setting their versions in the pom.xml is done like this: ...

Sometimes I need to resolve Maven dependencies programmatically. Eclipse Aether is a library for working with artifact repositories and I’ll be using it in the following example to read dependency trees from a given POM descriptor file and download each dependency from a remote Maven repository to a local directory. Figure 1. Using Eclipse Aether. Dependencies We’re adding a bunch of dependencies to our project’s pom.xml: <properties> <aetherVersion>1.1.0</aetherVersion> <mavenVersion>3.2.1</mavenVersion> </properties> ...

Extract Coordinates from the POM Helpful for build and integration environments, pipelines etc. Exctract the Project version from the pom.xml mvn org.apache.maven.plugins:maven-help-plugin:3.1.0:evaluate -Dexpression=project.version -q -DforceStdout Override a Property via local configuration e.g. to override the property xxx from your project’s pom.xml Create a directory .mvn in your project directory root Create a file named maven.config in this directory Insert -Dxxx=newvalue into the file to override this property Don’t forget to add .mvn to your .gitignore! ...