Fix postLoad callback method calls

hibernate-core/src/main/java/org/hibernate/sql/results/graph/entity/AbstractEntityInitializer.java

@@ -433,10 +433,8 @@ public abstract class AbstractEntityInitializer extends AbstractFetchParentAcces
 		}
 		else {
 			final Object existingEntity = persistenceContext.getEntity( entityKey );
-
 			if ( existingEntity != null ) {
 				this.entityInstance = existingEntity;
-				registerLoadingEntity( rowProcessingState, entityInstance );
 			}
 			else if ( this instanceof EntityResultInitializer && entityInstanceFromExecutionContext != null ) {
 				this.entityInstance = entityInstanceFromExecutionContext;

hibernate-core/src/test/java/org/hibernate/orm/test/jpa/compliance/callback/listener/MultiListenersAppliedTest.java

@@ -0,0 +1,119 @@
+package org.hibernate.orm.test.jpa.compliance.callback.listener;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.hibernate.testing.orm.junit.EntityManagerFactoryScope;
+import org.hibernate.testing.orm.junit.Jpa;
+import org.junit.jupiter.api.Test;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.EntityListeners;
+import jakarta.persistence.Id;
+import jakarta.persistence.PostLoad;
+import jakarta.persistence.Query;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+@Jpa(
+		annotatedClasses = MultiListenersAppliedTest.Person.class,
+		xmlMappings = "org/hibernate/orm/test/jpa/compliance/callback/listener/orm.xml"
+)
+public class MultiListenersAppliedTest {
+
+	@Test
+	public void postLoadMultiTest(EntityManagerFactoryScope scope) {
+		scope.inTransaction(
+				entityManager -> {
+					Person person = new Person( 1, "Fab" );
+					entityManager.persist( person );
+					entityManager.flush();
+					entityManager.refresh( person );
+					final Query query = entityManager
+							.createQuery( "select p from Person p" );
+					query.getResultList();
+
+					final List<String> actual = person.getPostLoadCalls();
+
+					assertThat( actual.size(), is( 3 ) );
+					assertTrue(
+							actual.contains( "AnotherPersonListener" ),
+							"AnotherPersonListener#postLoad has not been called"
+					);
+					assertTrue(
+							actual.contains( "LastPersonListener" ),
+							"LastPersonListener#postLoad has not been called"
+					);
+					assertTrue(
+							actual.contains( "PersonListener" ),
+							"PersonListener#postLoad has not been called"
+					);
+				}
+		);
+	}
+
+	public static class PersonCallback {
+
+		boolean isPostPersistCalled;
+
+		private List<String> postLoadCalls = new ArrayList();
+
+		public void setPostPersistCalled() {
+			this.isPostPersistCalled = true;
+		}
+
+		public boolean isPostLoadCalled() {
+			return isPostPersistCalled;
+		}
+
+		public List<String> getPostLoadCalls() {
+			return postLoadCalls;
+		}
+
+		public void addPostLoadCall(String name) {
+			postLoadCalls.add( name );
+		}
+	}
+
+	@Entity(name = "Person")
+	@EntityListeners({ AnotherPersonListener.class, LastPersonListener.class })
+	public static class Person extends PersonCallback {
+
+		Person() {
+		}
+
+		public Person(Integer id, String name) {
+			this.id = id;
+			this.name = name;
+		}
+
+		@Id
+		private Integer id;
+
+		private String name;
+	}
+
+	public static class AnotherPersonListener {
+
+		@PostLoad
+		protected void postLoad(PersonCallback callback) {
+			callback.addPostLoadCall( "AnotherPersonListener" );
+
+			callback.setPostPersistCalled();
+		}
+
+	}
+
+	public static class LastPersonListener {
+
+		@PostLoad
+		protected void postLoad(PersonCallback callback) {
+			callback.addPostLoadCall( "LastPersonListener" );
+			callback.setPostPersistCalled();
+		}
+
+	}
+
+}

hibernate-core/src/test/java/org/hibernate/orm/test/jpa/compliance/callback/listener/PersonListener.java

@@ -0,0 +1,18 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later
+ * See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
+ */
+package org.hibernate.orm.test.jpa.compliance.callback.listener;
+
+import jakarta.persistence.PostLoad;
+
+public class PersonListener {
+
+	@PostLoad
+	protected void postLoad(MultiListenersAppliedTest.PersonCallback callback) {
+		callback.addPostLoadCall("PersonListener"  );
+		callback.setPostPersistCalled();
+	}
+}

hibernate-core/src/test/java/org/hibernate/orm/test/jpa/compliance/callback/listener/orm.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<entity-mappings xmlns="https://jakarta.ee/xml/ns/persistence/orm"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://jakarta.ee/xml/ns/persistence/orm
+    https://jakarta.ee/xml/ns/persistence/orm/orm_3_0.xsd"
+    version="3.0">
+    <persistence-unit-metadata>
+        <persistence-unit-defaults>
+            <entity-listeners>
+                <entity-listener class="org.hibernate.orm.test.jpa.compliance.callback.listener.PersonListener">
+                </entity-listener>
+            </entity-listeners>
+        </persistence-unit-defaults>
+    </persistence-unit-metadata>
+</entity-mappings>
+
+