From bae022a0fcd477f925fe97dc76f1599d6ee4ce34 Mon Sep 17 00:00:00 2001
From: Juergen Hoeller <juergen.hoeller@broadcom.com>
Date: Mon, 22 Jun 2026 21:51:40 +0200
Subject: [PATCH] Perform nextKey within synchronization

Closes gh-36959
---
 .../jdbc/support/incrementer/SqliteMaxValueIncrementer.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spring-jdbc/src/main/java/org/springframework/jdbc/support/incrementer/SqliteMaxValueIncrementer.java b/spring-jdbc/src/main/java/org/springframework/jdbc/support/incrementer/SqliteMaxValueIncrementer.java
index 7a9549b486e..2a2cc0cc3f4 100644
--- a/spring-jdbc/src/main/java/org/springframework/jdbc/support/incrementer/SqliteMaxValueIncrementer.java
+++ b/spring-jdbc/src/main/java/org/springframework/jdbc/support/incrementer/SqliteMaxValueIncrementer.java
@@ -58,7 +58,7 @@ public class SqliteMaxValueIncrementer extends AbstractColumnMaxValueIncrementer
 
 
 	@Override
-	protected long getNextKey() {
+	protected synchronized long getNextKey() {
 		Connection con = DataSourceUtils.getConnection(getDataSource());
 		Statement stmt = null;
 		try {