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Hello Andrea. You can build and test Java 8 targeted product binaries with JDK 11. What you cannot do is running tests on Java 8 if you use WireMock 3 directly

Thanks. The

toolchains

directive was causing some extra headaches. I’ve replaced that with:

compileJava {
    sourceCompatibility = JavaVersion.VERSION_1_8
    targetCompatibility = JavaVersion.VERSION_1_8
}

It looks good 👍 Out of curiosity, is there any reason why you would suggest switching to testcontainers as opposed to the above approach ? On this project I’d anyway need to target version 1.8 (either with

toolchains

or

targetCompatibility

)… So I don’t really care about the extra

build.gradle

config

What you do is basically cross compilation on Java. It normally works well for the production code itself, but later you might get into issues with developer tools like static analyzers. Not all tools work for this mode well, e.g. code mocking or Spotbugs bytecode analysis as I learned the hard way when working on Java 11 support in Jenkins

Yeah.. I’ll go with the cross-compilation approach for now as I currently don’t see issues with our pipeline for tests and code quality. I’ll pin this as an option if things change in future. Thank you!