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setup-junit-project-with-maven.md

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Overview

This document guides you how to setup junit environment on MacOS X using Eclipse 2023 Dec

Initilize a maven project

cd /Users/vuhung/eclipse-workspace

Initilize the project

mvn archetype:generate -DgroupId=com.vuhung.app -DartifactId=vuhung-app
-DarchetypeArtifactId=maven-archetype-quickstart
-DarchetypeVersion=1.4 -DinteractiveMode=false

This will create a junit project with specified settings

Group ID: com.vuhung.app Artifact ID: vuhung-app

This will generate a maven-based project under /Users/vuhung/eclipse-workspace/vuhung-app

Try to build

mvn package

Fix settings

When we try to build with generated settings, we get the following errors

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.0:compile
(default-compile) on project vuhung-app:
Compilation failure: Compilation failure:
[ERROR] Source option 7 is no longer supported. Use 8 or later.
[ERROR] Target option 7 is no longer supported. Use 8 or later.

The fix

Specify source and target for maven with newer versions in pom.xml

      <plugin>
          <artifactId>maven-compiler-plugin</artifactId>          
            <configuration>
	            <source>20</source>  
	            <target>20</target>
            </configuration>
          <version>3.8.1</version>
        </plugin>

and/or change the version of maven-compiler-plugin to 3.8.1+

          <version>3.8.1</version>

Build and Test

Build:

mvn package

Or run Test directly

mvn test

mvn verify