The Java Platform Module System make it possible to strip the Java runtime down to only the parts actually used by your app.

Modern Java offers the jlink & jpackage tooling to assist with bundling a Java runtime into your app. This way at compile-time you have complete control, so you can compile for Java 17 while also running on Java 17. Bundle a Java runtime within your app.

Compile your app for Java 8, if your codebase does not use features from Java 9 and later.Yes, you understand the problem correctly: An app compiled for Java 17 cannot be run on a Java 8 runtime. To my understanding, this error means that my code is compiled with Java 17 but my JRE can run only Java 8 code. When I do that I get this error: : Main has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 52.0Īt 1(Native Method)Īt (ClassLoader.java:756)Īt (SecureClassLoader.java:142)Īt (URLClassLoader.java:473)Īt $100(URLClassLoader.java:74)Īt $1.run(URLClassLoader.java:369)Īt $1.run(URLClassLoader.java:363)Īt (Native Method)Īt (URLClassLoader.java:362)Īt (ClassLoader.java:418)Īt $AppClassLoader.loadClass(Launcher.java:352)Īt (ClassLoader.java:351)Īt (LauncherHelper.java:601)Įrror: A JNI error has occurred, please check your installation and try again After creating the JAR (building the artifact) I try to execute it with the JRE 1.8.0_311.

I'm creating a JavaFX Application using IntelliJ and OpenJDK 17.

Mac java 1.8 jdk