KITFORMA · EDITORIAL GUIDE
Why does JAVA_HOME differ from the compiler used by a Gradle task?
KitForma editorial guide. A task with an explicit toolchain can use a compiler other than the shell’s JDK. That separation is useful, but makes `java -version` an incomplete diagnostic.
Step-by-step guidance
A task with an explicit toolchain can use a compiler other than the shell’s JDK. That separation is useful, but makes
java -version an incomplete diagnostic.
Inspect the task’s selected installation in Gradle diagnostic output. Compare languageVersion, vendor constraints and task-specific overrides. Change the project requirement only when the intended compiler is wrong; do not delete functioning installations merely to force selection.
Compile a small feature requiring the declared language level and inspect the class-file target. An available compiler does not establish compatibility of libraries or native extensions with production. Keep the diagnostic output private if it contains local user paths.Sources and verification
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This starter guide was prepared by KitForma with AI assistance. It is not presented as a real member question or an independent user review. Check the sources and the result with your own file; report corrections in the discussion.