Laurent Klock ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5b8d279... ) *commented* on HHH-16977 ( https://hibernate.atlassian.net/browse/HHH-16977?atlOrigin=eyJpIjoiOTNmNW... ) Re: NullPointerException in EntityEntryContext.downgradeLocks ( https://hibernate.atlassian.net/browse/HHH-16977?atlOrigin=eyJpIjoiOTNmNW... ) Hi @Andre Boriero, Unfortunately, I did not manage to reproduce it out of our system (which involves different applications and databases, would be not so easy to reproduce) I intend to submit the following fix to branch 5.6x (and to main branch as well). What do you think ? From f9fd2e35894df6149885696704c7078d2d251e28 Mon Sep 17 00:00:00 2001 From: Laurent Klock <Laurent.Klock(a)arhs-cube.com&gt; Date: Mon, 24 Jul 2023 11:20:25 +0200 Subject: [PATCH] HHH-16977: Fixed in NullPointerException in EntityEntryContext.downgradeLocks --- .../org/hibernate/engine/internal/EntityEntryContext.java | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/hibernate-core/src/main/java/org/hibernate/engine/internal/EntityEntryContext.java b/hibernate-core/src/main/java/org/hibernate/engine/internal/EntityEntryContext.java index a532a17927..6ca1237926 100644 --- a/hibernate-core/src/main/java/org/hibernate/engine/internal/EntityEntryContext.java +++ b/hibernate-core/src/main/java/org/hibernate/engine/internal/EntityEntryContext.java @@ -370,7 +370,10 @@ public class EntityEntryContext { ManagedEntity node = head; while ( node != null ) { - node.$$_hibernate_getEntityEntry().setLockMode( LockMode.NONE ); + EntityEntry entityEntry = node.$$_hibernate_getEntityEntry(); + if (entityEntry != null) { + entityEntry.setLockMode( LockMode.NONE ); + } node = node.$$_hibernate_getNextManagedEntity(); } -- 2.21.0.windows.1 ( https://hibernate.atlassian.net/browse/HHH-16977#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16977#add-comment?atlOrigin=ey... ) Get Jira notifications on your phone! Download the Jira Cloud app for Android ( https://play.google.com/store/apps/details?id=com.atlassian.android.jira.... ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=Em... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100232- sha1:a133497 )