Fail with a useful error message if Gradle is run on JDK < 24

Signed-off-by: Dmytro Nosan <[email protected]>

Author: nosan

buildSrc/build.gradle

@@ -22,10 +22,6 @@ plugins {
 	id "org.jetbrains.dokka" version "2.1.0"
 }
 
-if (!JavaVersion.current().isCompatibleWith(JavaVersion.VERSION_24)) {
-	throw new GradleException("This build requires Java 24 or newer to run, but you are currently using Java ${JavaVersion.current()}")
-}
-
 repositories {
 	mavenCentral()
 	spring.mavenRepositoriesFor("${springFrameworkVersion}")

buildSrc/src/main/java/org/springframework/boot/build/JavaConventions.java

@@ -32,6 +32,7 @@
 import io.spring.javaformat.gradle.SpringJavaFormatPlugin;
 import io.spring.javaformat.gradle.tasks.CheckFormat;
 import io.spring.javaformat.gradle.tasks.Format;
+import org.gradle.api.GradleException;
 import org.gradle.api.JavaVersion;
 import org.gradle.api.Project;
 import org.gradle.api.Task;
@@ -143,6 +144,7 @@ void apply(Project project) {
 			configureProhibitedDependencyChecks(project);
 			configureFactoriesFilesChecks(project);
 			configureNullability(project);
+			configureJavaVersionCompatibility(project);
 		});
 	}
 
@@ -352,4 +354,14 @@ private void configureNullability(Project project) {
 		}
 	}
 
+	private void configureJavaVersionCompatibility(Project project) {
+		project.getTasks().withType(JavaCompile.class).configureEach((javaCompile) -> javaCompile.doFirst((task) -> {
+			JavaVersion version = JavaVersion.current();
+			if (!version.isCompatibleWith(JavaVersion.VERSION_24)) {
+				throw new GradleException("This build requires Java %s or newer, but you are using Java %s"
+					.formatted(JavaVersion.VERSION_24, version));
+			}
+		}));
+	}
+
 }