Spring Boot 3.2.x requires at least Java 17

[tzolov]

Spring Boot 3.2.x requires at least Java 17 and is compatible up to and including Java 21.

The #35 updated Boot to 3.2.1 but on merge the JDK was reverted to 11. This likely an incompatible combination!

IMO, you should either (1) revert Boot to the latest 2.x version or (2) bring JDK to 17.

But with JDK 11/Boot 2.x, I'm not sure if this wont cause compatibility problems for Boot 3.x applications that are trying to use djl 11/2.x auto-config dependencies.

The safest option if you MUST support JDK 11 is to maintain and release two separate branches one for JDK11 and another JDK17?

Let me know what do you think?

[zachgk]

Java is backwards compatible so it shouldn't cause problems. If we build a binary targeting JDK 11, it should be compatible with all versions >= 11 which should include the 17-21 supported by Spring Boot 3.2.x. The Spring Boot 3.2.x just means that at least some of the components as part of it require Java 17 so it must be run with Java >=17. It shouldn't mean that all components have to be.

Have you tried running it with the current Java 11 build and it fails or is this just a problem you are afraid will happen based on the docs?