From 0a81c238c2d596319ab40ce0c7a6799d138f36ed Mon Sep 17 00:00:00 2001
From: Stephane Nicoll <snicoll@vmware.com>
Date: Tue, 8 Mar 2022 12:43:54 +0100
Subject: [PATCH] Compile Kotlin code with a JVM target of 17

Closes gh-29956
---
 .../org/springframework/boot/build/KotlinConventions.java     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/buildSrc/src/main/java/org/springframework/boot/build/KotlinConventions.java b/buildSrc/src/main/java/org/springframework/boot/build/KotlinConventions.java
index 55e2bd99e57..9481f404452 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/KotlinConventions.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/KotlinConventions.java
@@ -31,7 +31,7 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile;
  * <li>{@link KotlinCompile} tasks are configured to:
  * <ul>
  * <li>Use {@code apiVersion} and {@code languageVersion} 1.6.
- * <li>Use {@code jvmTarget} 1.8.
+ * <li>Use {@code jvmTarget} 17.
  * <li>Treat all warnings as errors
  * <li>Suppress version warnings
  * </ul>
@@ -52,7 +52,7 @@ class KotlinConventions {
 		KotlinJvmOptions kotlinOptions = compile.getKotlinOptions();
 		kotlinOptions.setApiVersion("1.6");
 		kotlinOptions.setLanguageVersion("1.6");
-		kotlinOptions.setJvmTarget("1.8");
+		kotlinOptions.setJvmTarget("17");
 		kotlinOptions.setAllWarningsAsErrors(true);
 		List<String> freeCompilerArgs = new ArrayList<>(compile.getKotlinOptions().getFreeCompilerArgs());
 		freeCompilerArgs.add("-Xsuppress-version-warnings");