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Have you seen Toolchains for JVM projects? It's pretty useful when you want to be certain of what CI is building matches what you expect

Oh that’s interesting. I haven’t been aware of those. I’ll certainly use them in future projects! Gotta try out if that works in IntelliJ as well…

Fwiw, because not all plugins support toolchains (e.g. Spotless), and thus require a minimum Java version for running the build, I simply put that line in my build scripts:

check(JavaVersion.current().isJava11Compatible) { "The project requires JDK 11 at a minimum" }

(or using a comparison with a constant when

isJavaXXCompatible

is not available)

To be honest, the plugin is just a glorified version of that. I used to have a similar check in most of my projects, but funny enough only when I added the banner with the coffee cup people immediately noticed what was wrong. So I thought I’d bake it into a small plugin. :)

Good Job @Bruno Essmann