HHH-13377 Lazy loaded properties of bytecode enhanced entity are left stale after refresh of entity

Author: dreab8

hibernate-core/src/main/java/org/hibernate/bytecode/enhance/spi/interceptor/LazyAttributeLoadingInterceptor.java

@@ -198,4 +198,8 @@ public void addLazyFieldByGraph(String fieldName) {
 		}
 		mutableLazyFields.add( fieldName );
 	}
+
+	public void clearInitializedLazyFields() {
+		initializedLazyFields = null;
+	}
 }

hibernate-core/src/main/java/org/hibernate/event/internal/DefaultRefreshEventListener.java

@@ -10,6 +10,8 @@
 import org.hibernate.NonUniqueObjectException;
 import org.hibernate.TransientObjectException;
 import org.hibernate.UnresolvableObjectException;
+import org.hibernate.bytecode.enhance.spi.interceptor.LazyAttributeLoadingInterceptor;
+import org.hibernate.bytecode.spi.BytecodeEnhancementMetadata;
 import org.hibernate.cache.spi.access.CollectionDataAccess;
 import org.hibernate.cache.spi.access.EntityDataAccess;
 import org.hibernate.cache.spi.access.SoftLock;
@@ -189,6 +191,14 @@ private static void refresh(
 			EntityEntry entry,
 			Object id,
 			PersistenceContext persistenceContext) {
+		final BytecodeEnhancementMetadata instrumentationMetadata = persister.getInstrumentationMetadata();
+		if ( object != null && instrumentationMetadata.isEnhancedForLazyLoading() ) {
+			final LazyAttributeLoadingInterceptor interceptor = instrumentationMetadata.extractInterceptor( object );
+			if ( interceptor != null ) {
+				// The list of initialized lazy fields have to be cleared in order to refresh them from the database.
+				interceptor.clearInitializedLazyFields();
+			}
+		}
 
 		final Object result = source.getLoadQueryInfluencers().fromInternalFetchProfile(
 				CascadingFetchProfile.REFRESH,