Merge branch '2.5.x'

Closes gh-27365

spring-boot-project/spring-boot-tools/spring-boot-test-support/src/main/java/org/springframework/boot/testsupport/gradle/testkit/GradleVersions.java

@@ -17,6 +17,7 @@
 package org.springframework.boot.testsupport.gradle.testkit;
 
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 
 import org.gradle.api.JavaVersion;
@@ -33,6 +34,9 @@ public final class GradleVersions {
 	}
 
 	public static List<String> allCompatible() {
+		if (isJava17()) {
+			return Collections.emptyList();
+		}
 		if (isJava16()) {
 			return Arrays.asList("7.0.2", "7.1");
 		}
@@ -46,6 +50,10 @@ public final class GradleVersions {
 		return GradleVersion.current().getVersion();
 	}
 
+	private static boolean isJava17() {
+		return JavaVersion.current().isCompatibleWith(JavaVersion.VERSION_17);
+	}
+
 	private static boolean isJava16() {
 		return JavaVersion.current().isCompatibleWith(JavaVersion.VERSION_16);
 	}