From 1624a95d77fd8af433ab1531e4d3828fcaf33f22 Mon Sep 17 00:00:00 2001
From: Scott Marlow <scott.marlow@ibm.com>
Date: Tue, 2 Dec 2025 13:59:37 -0500
Subject: [PATCH] HHH-19863 Calling EntityManager.lock() without an Active
 Transaction should throw jakarta.persistence.TransactionRequiredException

Signed-off-by: Scott Marlow <scott.marlow@ibm.com>
---
 .../src/main/java/org/hibernate/internal/SessionImpl.java       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hibernate-core/src/main/java/org/hibernate/internal/SessionImpl.java b/hibernate-core/src/main/java/org/hibernate/internal/SessionImpl.java
index a37ec581e42c..72d39bd07516 100644
--- a/hibernate-core/src/main/java/org/hibernate/internal/SessionImpl.java
+++ b/hibernate-core/src/main/java/org/hibernate/internal/SessionImpl.java
@@ -624,13 +624,13 @@ public void lock(Object object, LockMode lockMode, LockOption... lockOptions) {
 
 	private void fireLock(final LockEvent lockEvent) {
 		checkOpen();
-		checkEntityManaged( lockEvent.getEntityName(), lockEvent.getObject() );
 		try {
 			pulseTransactionCoordinator();
 			checkTransactionNeededForLock( lockEvent.getLockMode() );
 			eventListenerGroups.eventListenerGroup_LOCK
 					.fireEventOnEachListener( lockEvent,
 							LockEventListener::onLock );
+			checkEntityManaged( lockEvent.getEntityName(), lockEvent.getObject() );
 		}
 		catch ( RuntimeException e ) {
 			convertIfJpaBootstrap( e, lockEvent.getLockOptions() );