KITFORMA · EDITORIAL ANSWER
Why does selecting a Java toolchain not fix the Gradle daemon JDK?
KitForma editorial guide. The JVM running Gradle and the compiler toolchain can differ. Selecting Java 21 for compilation does not guarantee an old wrapper can run under the JDK launching its daemon.
Step-by-step answer
The JVM running Gradle and the compiler toolchain can differ. Selecting Java 21 for compilation does not guarantee an old wrapper can run under the JDK launching its daemon.
Record the wrapper version and
./gradlew --version output. Check that pair against the compatibility matrix. Select a supported daemon JVM independently, then configure the compilation toolchain for the application. Pin project requirements instead of relying on one terminal’s PATH.
Run the wrapper from CLI and IDE and compare versions. A toolchain resolver may download a JDK; offline environments need an available matching installation. Do not mistake runtime support for compiler target compatibility.Sources and verification
Sources checked:
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