Erwan Moutymbo ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=640210c... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiODJhYzU4ZTA4... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-17021?atlOrigin=eyJpIjoiODJhYz... ) HHH-17021 ( https://hibernate.atlassian.net/browse/HHH-17021?atlOrigin=eyJpIjoiODJhYz... ) Composite primary key is altered when part of it is from a lazy non optional ManyToOne ( https://hibernate.atlassian.net/browse/HHH-17021?atlOrigin=eyJpIjoiODJhYz... ) Issue Type: Bug Affects Versions: 6.3.0.CR1, 6.2.7, 6.3.0, 6.2.8 Assignee: Unassigned Components: hibernate-core Created: 01/Aug/2023 09:20 AM Environment: Hibernate: 6.2.8-SNAPSHOT initially found with Postgresql: 14.5 reproduced with h2 2.1.214 Spring Data JPA: 3.0.6 Spring Boot: 3.0.7 ehcache 3.10.8 JDK: OpenJDK 64-Bit Server VM Temurin-17.0.6 OS: Fedora 38 Priority: Major Reporter: Erwan Moutymbo ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=640210c... ) Hello, I'm migrating from hibernate 5.6.15 to hibernate 6.2 and I have noticed some issues. it seems that I can’t use a composite primary key when part of it is from a lazy non optional ManyToOne, as it gives me a error saying primary key was altered. -------- Entities -------- note ---- I had to use tiny ints for my enums due to https://hibernate.atlassian.net/browse/HHH-17020 Product ------- @Getter @IdClass(ProductPK.class) @EqualsAndHashCode(onlyExplicitlyIncluded = true ) @ToString(onlyExplicitlyIncluded = true ) @NoArgsConstructor(access = PROTECTED) @Entity @OptimisticLocking(type = OptimisticLockType.DIRTY) @DynamicUpdate @Cacheable @Cache(usage = READ_WRITE) @Table(name = "PRODUCTS" ) public class Product { public Product( String productId, Operator operator ) { this.productId = productId; this. operator = operator ; } public Product( String productId, Operator operator , Benefits benefits) { this.productId = productId; this. operator = operator ; this.benefits = benefits; } @EqualsAndHashCode.Include @ToString.Include @Id @Column(name = "PRODUCT_ID" , nullable = false ) private String productId; @Id @EqualsAndHashCode.Include @ToString.Include @Getter @Setter @Cache(usage = READ_WRITE) @ManyToOne(fetch = LAZY, optional = false ) @JoinColumn(name = "OPERATOR_ID" , nullable = false ) @JoinColumn(name = "COUNTRY" , nullable = false ) private Operator operator ; @Column(name = "DESCRIPTION" ) @Setter private String description; @Embedded private Benefits benefits; @EqualsAndHashCode @ToString @Embeddable @NoArgsConstructor(access = PROTECTED) public static class ProductPK implements Serializable { private String productId; @Embedded @AttributeOverride(name = "operatorId" , column = @Column(name = "OPERATOR_ID" , nullable = false )) @AttributeOverride(name = "country" , column = @Column(name = "COUNTRY" , nullable = false )) private Operator.OperatorPK operator ; public ProductPK( String productId, Operator.OperatorPK operator ) { this.productId = productId; this. operator = operator ; } public ProductPK( String productId, String operatorID, Country country) { this.productId = productId; this. operator = new Operator.OperatorPK(operatorID, country); } } @Embeddable @Value @AllArgsConstructor @NoArgsConstructor(access = PROTECTED) public static class Benefits { @Embedded @NonFinal @Setter TypeOneBenefit credit; @Embedded @NonFinal @Setter TypeTwoBenefit data; } @Embeddable @Value @AllArgsConstructor @NoArgsConstructor(access = PROTECTED) public static class TypeOneBenefit { @NonFinal @Column(name = "BENEFIT_ONE_BASE_AMOUNT" ) BigDecimal baseAmount; } @Embeddable @Value @AllArgsConstructor @NoArgsConstructor(access = PROTECTED) public static class TypeTwoBenefit { @NonFinal @Column(name = "BENEFIT_TWO_BASE_AMOUNT" ) String baseAmount; } } Operator -------- @Getter @Entity @ToString(onlyExplicitlyIncluded = true ) @EqualsAndHashCode(onlyExplicitlyIncluded = true ) @NoArgsConstructor(access = PROTECTED) @Table(name = "OPERATORS" ) @IdClass(Operator.OperatorPK.class) @OptimisticLocking(type = OptimisticLockType.DIRTY) @DynamicUpdate @Cacheable @Cache(usage = READ_WRITE) public class Operator { @EqualsAndHashCode.Include @ToString.Include @Id @Column(name = "COUNTRY" , nullable = false ) private Country country; @EqualsAndHashCode.Include @ToString.Include @Id @Column(name = "OPERATOR_ID" , nullable = false ) private String operatorId; @ManyToOne @JoinColumn(name = "meta_operator_id" , referencedColumnName = "ID" ) private MetaOperator metaOperator; @OneToMany(mappedBy = " operator " , cascade = { PERSIST, MERGE, REMOVE }, orphanRemoval = true , fetch = FetchType.LAZY) private List<Product> products = new ArrayList<>(); public Operator( String operatorId) { this.operatorId = operatorId; this.country = USA; } public void setMetaOperator(MetaOperator metaOperator) { this.metaOperator = metaOperator; } public void setProducts(List<Product> products) { this.products = products; } @Embeddable @Value @AllArgsConstructor @NoArgsConstructor(access = PROTECTED) public static class OperatorPK implements Serializable { @NonFinal String operatorId; @NonFinal Country country; } } Country ------- public enum Country { USA, FRA; } ----- Tests ----- should delete product --------------------- @Test void shouldDeleteProduct() { // Given String string = "ID2" ; String operatorID = "operatorID2" ; String test = "test" ; Operator operator = new Operator(operatorID); operatorService.addOperator( operator ); Product product = new Product(string, operator ); product.setDescription(test); productService.addProduct(product); // When ProductPK productPK = new ProductPK(string, operatorID, USA); productService.deleteProduct(productPK); // Then Optional<Product> byId2 = productService.getProduct(productPK); assertThat(byId2).isEmpty(); } an exception occurs when product is being deleted : org.springframework.orm.jpa.JpaSystemException: identifier of an instance of com.example.demo.local.Product was altered from Product.ProductPK(productId=ID2, operator=Operator.OperatorPK(operatorId=null, country=null)) to Product.ProductPK(productId=ID2, operator=Operator.OperatorPK(operatorId=operatorID2, country=USA)) at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:320) at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:229) at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:565) at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:743) at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:711) at org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:660) at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:410) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:750) at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:702) at com.example.demo.service.ProductService$$SpringCGLIB$$0.deleteProduct(<generated>) at com.example.demo.service.ProductServiceTest.shouldDeleteProduct(ProductServiceTest.java:107) ... All tests on ProductServiceWithCacheTest and ProductServiceTest fails except the test where the operator is delete so it cascade delete the product ( shouldDeleteProductsWithBenefitsFromOperator ) ------- Sources ------- sources can be found in pk_altered_when_part_is_from_lazy_association : https://github.com/emouty/hibernate-issues/tree/pk_altered_when_part_is_f... ( https://hibernate.atlassian.net/browse/HHH-17021#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-17021#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#100233- sha1:b4f309b )