Adrodoc ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5b2a4a0... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiM2Y0NWZmOTNm... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16506?atlOrigin=eyJpIjoiM2Y0NW... ) HHH-16506 ( https://hibernate.atlassian.net/browse/HHH-16506?atlOrigin=eyJpIjoiM2Y0NW... ) Changes to Embeddables are not persisted when using @LazyCollection(LazyCollectionOption.EXTRA) on a Map ( https://hibernate.atlassian.net/browse/HHH-16506?atlOrigin=eyJpIjoiM2Y0NW... ) Issue Type: Bug Affects Versions: 5.3.15, 5.3.28, 5.6.15, 6.2.1 Assignee: Unassigned Created: 24/Apr/2023 04:07 AM Priority: Major Reporter: Adrodoc ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5b2a4a0... ) When you initialize a map that is annotated with @ElementCollection and @LazyCollection(LazyCollectionOption.EXTRA) any changes to the embeddables are not written to the database. Reproducer: package org.hibernate.bugs; import javax.persistence.EntityManager; import javax.persistence.EntityManagerFactory; import javax.persistence.Persistence; import org.junit.After; import org.junit.Assert; import org.junit.Before; import org.junit.Test; /** * This template demonstrates how to develop a test case for Hibernate ORM, using the Java * Persistence API. */ public class JPAUnitTestCase { private EntityManagerFactory entityManagerFactory; @Before public void init() { entityManagerFactory = Persistence.createEntityManagerFactory( "templatePU" ); } @After public void destroy() { entityManagerFactory.close(); } @Test public void hhh123Test() throws Exception { // Given: EntityManager entityManager = entityManagerFactory.createEntityManager(); entityManager.getTransaction().begin(); String primaryKey = "chewing gum" ; Product product1 = new Product(primaryKey); product1.setPrice( "France" , 100); entityManager.persist(product1); entityManager.getTransaction().commit(); // When: entityManager.clear(); entityManager.getTransaction().begin(); Product product2 = entityManager.find(Product.class, primaryKey); product2.setPrice( "France" , 999); entityManager.getTransaction().commit(); // Then: entityManager.getTransaction().begin(); Product product3 = entityManager.find(Product.class, primaryKey); long actual = product3.getPrice( "France" ); entityManager.getTransaction().commit(); Assert.assertEquals(999L, actual); entityManager.close(); } } package org.hibernate.bugs; import java.util.HashMap; import java.util.Map; import java.util.Objects; import java.util.Optional; import javax.persistence.ElementCollection; import javax.persistence.Entity; import javax.persistence.Id; import org.hibernate.annotations.LazyCollection; import org.hibernate.annotations.LazyCollectionOption; @Entity public class Product { @Id private String name; @ElementCollection @LazyCollection(LazyCollectionOption.EXTRA) private Map<String, Price> prices = new HashMap<>(); Product() {} public Product(String name) { this.name = name; } public void setPrice(String country, long cents) { Price price = prices.computeIfAbsent(country, it -> new Price()); price.setCents(cents); } public Long getPrice(String country) { return Optional.ofNullable(prices.get(country)).map(it -> it.getCents()).orElse(null); } @Override public int hashCode() { return Objects.hash(name, prices); } @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (obj == null) { return false; } if (getClass() != obj.getClass()) { return false; } Product other = (Product) obj; return Objects.equals(name, other.name) && Objects.equals(prices, other.prices); } @Override public String toString() { StringBuilder builder = new StringBuilder(); builder.append("Product [name="); builder.append(name); builder.append(", prices="); builder.append(prices); builder.append("]"); return builder.toString(); } } package org.hibernate.bugs; import java.util.Objects; import javax.persistence.Column; import javax.persistence.Embeddable; @Embeddable public class Price { @Column private long cents; Price() {} public Price(long cents) { this.cents = cents; } public long getCents() { return cents; } public void setCents(long cents) { this.cents = cents; } @Override public int hashCode() { return Objects.hash(cents); } @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (obj == null) { return false; } if (getClass() != obj.getClass()) { return false; } Price other = (Price) obj; return cents == other.cents; } @Override public String toString() { StringBuilder builder = new StringBuilder(); builder.append("Price [cents="); builder.append(cents); builder.append("]"); return builder.toString(); } } ( https://hibernate.atlassian.net/browse/HHH-16506#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16506#add-comment?atlOrigin=ey... ) Get Jira notifications on your phone! 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