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Is anyone working with Heroku for Java?
I have one Java project which I want to deploy on Heroku. That project uses some external JAR files which contains important dependencies.
Can anyone tell me how to deploy my project with these JAR files to Heroku? Maven is not able to download these JAR files on Heroku.
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Heroku provides support for Maven Wrapper, which is the recommend mechanism for defining a Maven version. If Heroku detects a mvnw file in the root directory of your repository, it will use this script to launch the Maven process.
You can deploy any Java application on Heroku. It is not limited to JEE or other frameworks. You can deploy Java web applications packaged as WAR files using WAR deployment or you can deploy Maven based Java projects of any kind using the git versioning system.
As of October 2021, Heroku supports Java versions 1.7, 1.8, 11, 13, 15, 16 and 17.
After your next deployment, Heroku will install and run your app with OpenJDK 15. For more information, see the article on Heroku Support for Java in the Dev Center.
We just published a guide showing how to add dependencies like this to your project:
http://devcenter.heroku.com/articles/local-maven-dependencies
Let me know if this works for you.
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