From 0896c231a3160df34c024efb8e5de4994181788d Mon Sep 17 00:00:00 2001
From: "evgeny.bovykin" <rebovykin@gmail.com>
Date: Tue, 10 May 2022 13:43:54 +0200
Subject: [PATCH] Fix debug logging in MergingPersistenceUnitManager.

A String.format token was missing, so `mappingFileName` was printed instead of a `persistenceUnitName`, and `persistenceUnitName` wasn't actually printed at all.

See #2526.
---
 .../data/jpa/support/MergingPersistenceUnitManager.java         | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/org/springframework/data/jpa/support/MergingPersistenceUnitManager.java b/src/main/java/org/springframework/data/jpa/support/MergingPersistenceUnitManager.java
index 0cda8c2fd..55f4e8da5 100644
--- a/src/main/java/org/springframework/data/jpa/support/MergingPersistenceUnitManager.java
+++ b/src/main/java/org/springframework/data/jpa/support/MergingPersistenceUnitManager.java
@@ -90,7 +90,7 @@ public class MergingPersistenceUnitManager extends DefaultPersistenceUnitManager
 			if (!pui.getMappingFileNames().contains(mappingFileName)) {
 
 				if (LOG.isDebugEnabled()) {
-					LOG.debug(String.format("Adding mapping file to persistence unit %s.", mappingFileName, persistenceUnitName));
+					LOG.debug(String.format("Adding mapping file %s to persistence unit %s.", mappingFileName, persistenceUnitName));
 				}
 				pui.addMappingFileName(mappingFileName);
 			}