[hibernate-issues] [JIRA] (HHH-14052) @ManyToAny annotation transient instance error for Cascade.All

[görkem balcısoy (JIRA)]

görkem balcısoy ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5bc87b3163cbaa729c4c7388 ) *created* an issue

Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiMjM3OTM5ZDdlOWQ2NDBkZGJhMDVhOTc2NWM0NWFiZDkiLCJwIjoiaiJ9 ) / Bug ( https://hibernate.atlassian.net/browse/HHH-14052?atlOrigin=eyJpIjoiMjM3OTM5ZDdlOWQ2NDBkZGJhMDVhOTc2NWM0NWFiZDkiLCJwIjoiaiJ9 ) HHH-14052 ( https://hibernate.atlassian.net/browse/HHH-14052?atlOrigin=eyJpIjoiMjM3OTM5ZDdlOWQ2NDBkZGJhMDVhOTc2NWM0NWFiZDkiLCJwIjoiaiJ9 ) @ManyToAny annotation transient instance error for Cascade.All ( https://hibernate.atlassian.net/browse/HHH-14052?atlOrigin=eyJpIjoiMjM3OTM5ZDdlOWQ2NDBkZGJhMDVhOTc2NWM0NWFiZDkiLCJwIjoiaiJ9 )

Issue Type: Bug Affects Versions: 5.4.15 Assignee: Unassigned Components: hibernate-core Created: 31/May/2020 06:16 AM Priority: Major Reporter: görkem balcısoy ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5bc87b3163cbaa729c4c7388 )

I have below domain model. I added specialization entities both Product and ProductDetail entities with @ManyToAny annotation. Also, Product entity has many ProductDetail entities.

I want to save a new Product entity with one of its specializations and productDetails(with one of its specializations,too).

I use merge() method for new Product saving process, but it produces an error:

org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance before flushing: com.test.model.FlyingProductDetailSpecialization.

I searched for this issue, but I cannot find anything that is different from CascadeType.ALL usage answers. I used this cascade type.

If I use persist() method for new Product saving process, it results successful. But, if I want to update this Product entity (with merge() method) with adding a productDetail with its specializations, the same TransientObjectException also occurs.

Do you have any idea about this problem? Thanks.

(BaseObject class has createDate, updateDate, id columns. I don't add this class for shortening the question.)

You can find this question at link:
https://stackoverflow.com/questions/62062582/manytoany-annotation-transient-instance-error-for-cascade-all

// Product Model
@Table(name="product")
@Entity
public class Product extends BaseObject

{ @OneToMany(mappedBy="product", cascade=CascadeType.ALL, orphanRemoval=true) @LazyCollection(LazyCollectionOption.FALSE) @JsonIgnoreProperties(value="product", allowSetters=true) private List<ProductDetail> productDetails = new ArrayList<>(); @ManyToAny(metaDef="ProductSpecMetaDef", metaColumn=@Column(name="product_specialization_type")) @LazyCollection(LazyCollectionOption.FALSE) @Cascade(org.hibernate.annotations.CascadeType.ALL) @JoinTable( name="product_specialization_relationship", joinColumns=@JoinColumn(name="product"), inverseJoinColumns=@JoinColumn(name="product_specialization") ) private List<ISpecialization<Product>> productSpecializations = new ArrayList<>(); // and some string and numerical fields }

@Table(name="unused_product_specialization")
@Entity
public class UnusedProductSpecialization extends BaseObject implements ISpecialization<Product>

{ // some string and numerical fields }

@Table(name="used_product_specialization")
@Entity
public class UsedProductSpecialization extends BaseObject implements ISpecialization<Product>{ // some string and numerical fields }

// package-info definition for ManyToAny relationship
@AnyMetaDef(name="ProductSpecMetaDef", metaType="string", idType="string",
metaValues=

{@MetaValue(value = "Unused", targetEntity=UnusedProductSpecialization.class), @MetaValue(value = "Used", targetEntity=UsedProductSpecialization.class) }

)
// End of Product Model

// Product Detail Model
@Table(name="product_detail")
@Entity
public class ProductDetail extends BaseObject

{ @ManyToOne @JoinColumn(name="product",referencedColumnName="id",nullable=false, foreignKey=@ForeignKey(name="product_detail_product_fkey")) @JsonIgnoreProperties(value="productDetails", allowSetters=true) private Product product; @ManyToAny(metaDef="ProductDetailSpecMetaDef", metaColumn=@Column(name="product_detail_specialization_type")) @LazyCollection(LazyCollectionOption.FALSE) @Cascade(org.hibernate.annotations.CascadeType.ALL) @JoinTable( name="product_detail_specialization_relationship", joinColumns=@JoinColumn(name="product_detail"), inverseJoinColumns=@JoinColumn(name="product_detail_specialization") ) private List<ISpecialization<ProductDetail>> productDetailSpecializations = new ArrayList<>(); // and some string and numerical fields }

@Table(name="flying_product_detail_specialization")
@Entity
public class FlyingProductDetailSpecialization extends BaseObject implements ISpecialization<ProductDetail>

{ // some string and numerical fields }

@Table(name="walking_product_detail_specialization")
@Entity
public class WalkingProductDetailSpecialization extends BaseObject implements ISpecialization<ProductDetail>{ // some string and numerical fields }

// package-info definition for ManyToAny relationship
@AnyMetaDef(name="ProductDetailSpecMetaDef", metaType="string", idType="string",
metaValues=

{@MetaValue(value = "Flying", targetEntity=FlyingProductDetailSpecialization.class), @MetaValue(value = "Walking", targetEntity=WalkingProductDetailSpecialization.class) }

)
// End of Product Detail Model

( https://hibernate.atlassian.net/browse/HHH-14052#add-comment?atlOrigin=eyJpIjoiMjM3OTM5ZDdlOWQ2NDBkZGJhMDVhOTc2NWM0NWFiZDkiLCJwIjoiaiJ9 ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-14052#add-comment?atlOrigin=eyJpIjoiMjM3OTM5ZDdlOWQ2NDBkZGJhMDVhOTc2NWM0NWFiZDkiLCJwIjoiaiJ9 )

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