Invalid target release on Maven project when pushing to heroku repository

Asked Mar 10 '22 at 17:02

Active Mar 10 '22 at 17:16

Viewed 528 times

Upon pushing a spring boot maven project to a Heroku repository, I get the following error:

Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project userservice: Fatal error compiling: invalid target release: 17

I have created a system.properties file in the root directory of my spring boot app and added java.runtime.version=17 to it but still no luck.

I have a similar issue than this and this question and followed the solutions but it did not work for me.

edited Mar 10 '22 at 17:16

asked Mar 10 '22 at 17:02

chandler

1

Does your Procfile point out your target release? – bjorke07 Mar 10 '22 at 17:42
Thanks for the reply. I have `web: java -Dserver.port=$PORT -jar target/userservice-1.0.jar` inside my Procfile, where `userservice` and `1.0` are the artifact id and version specified in my pom.xml respectively. – chandler Mar 10 '22 at 18:00
I think you should package your project as WAR. – bjorke07 Mar 10 '22 at 18:02
That didn't work too – chandler Mar 10 '22 at 19:46
This `invalid target release: 17` you are not using a JDK17...no property etc. will help here.. – khmarbaise Mar 10 '22 at 20:05
Thank you for the replies. I've resorted to the heroku maven plugin directly and specified the requirements in the pom.xml directly. It now works. – chandler Mar 10 '22 at 21:00

Invalid target release on Maven project when pushing to heroku repository

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