[ISSUE] Unable to compile maven-modules/multimodulemavenproject

[RohimChou]

Article and Module Links
article: https://www.baeldung.com/maven-multi-module-project-java-jpms
module: https://github.com/eugenp/tutorials/tree/master/maven-modules/multimodulemavenproject

Describe the Issue
unable to build the project by mvn clean compile, errors raised:

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.12.1:compile (default-compile) on project maven-userdaomodule: Compilation failure
[ERROR] /home/baeldung/maven-modules/multimodulemavenproject/maven-userdaomodule/src/main/java/module-info.java:[1,1] modules are not supported in -source 8
[ERROR]   (use -source 9 or higher to enable modules)

To Reproduce

git clone [e-mail]:eugenp/tutorials.git
cd tutorials/maven-modules/multimodulemavenproject
mvn clean compile

Environment (please complete the following information):
openjdk-17
maven 3.6.3

[Max Marchesini]

I just made pull request for the fix. #16311

[Ulisses Lima]

Hey, @RohimChou.

Thanks for bringing this to our attention. The issue is now fixed.