3,246 questions
1
vote
1
answer
58
views
I am facing an issue for mapping string value to DB column
I am facing an issue while saving or fetching string fields into postgres database in JDK21 and Spring boot 3.3.2 and hibernate 6.6.1.Final version , where its always trying to map empty value to ...
- 1
0
votes
0
answers
79
views
How do I delete an embedded ElementCollection with the parent entity in Hibernate?
I have an entity holding a collection of embeddable objects:
@Entity(name = "LogbookEntry")
public class LogbookEntryView {
@ElementCollection(fetch = FetchType.EAGER)
@...
- 1,513
0
votes
1
answer
30
views
How to increment version when updating a ManyToMany collection with @JoinTable in Hibernate?
I’m using Hibernate v6.6 with optimistic locking, and all of my entities have a @Version field. My Person entity has a ManyToMany association to Concept entity:
@Entity
class Person {
@Id
@...
0
votes
0
answers
21
views
Modeling Hibernate entities for localization
I'm trying to create java resources using Hibernate framework to represent some Business entity like Product or Address along with Localization. I want to use one localization table for all entities ...
- 1
2
votes
2
answers
224
views
InvalidDataAccessApiUsageException: org.hibernate.TransientObjectException: persistent instance references an unsaved transient instance
I have the following Hibernate tables in Spring Boot 3.5.0 application:
import com.fasterxml.jackson.annotation.JsonIgnore;
import org.hibernate.annotations.NotFound;
import org.hibernate....
- 1,064
0
votes
1
answer
58
views
expecting IdClass mapping
I am upgrading an ancient Spring 3 app to Spring 6. I have found a number of issues with the same message, but they are mostly actually using annotations. The one that isn't: java/hibernate Exception: ...
- 15.3k
0
votes
1
answer
88
views
Hibernate: OneToMany and OneToOne for two classes in SINGLE_TABLE_STRATEGY
I have a parent class: Person and two child classes: Hunter and Policeman. A Hunter can have several Dog, and a Policeman can only have one Dog. It's a unidirectional relationship, the Dog entity only ...
- 5,239
1
vote
1
answer
111
views
how do I properly annotate hibernate persist EntityA which contains a Map<String, List<EntityB>> and EntityB contains a List<EntityB>?
I have the following classes:
@Entity
@Getter
public class EntityA
{
@Id
private long id;
Map<String, List<EntityB>> map;
}
@Entity
@Getter
public class EntityB
{
@Id
...
- 1,288
0
votes
0
answers
31
views
Hibernate @Any discriminator not found handling
With Hibernate 6.2, how to do not-found handling for a entity with @Any association? My entity mapping is:
@Any
@AnyDiscriminator(DiscriminatorType.STRING)
@AnyKeyJavaClass(UUID.class)
...
1
vote
1
answer
47
views
Hibernate Configuration for File Config via code
I'm using Hibernate 5 and I need to configure them using code. I have established the Connection. But the Entity classes are not mapped. So How can I do this.
Due to this I can't able to insert data ...
- 15
1
vote
1
answer
122
views
DuplicateMappingException after extending @Entity with @Inheritance
I have a table my_entity that is referenced by multiple @Entity annotated classes like so:
@Immutable
@Entity
@Table(name = "my_entity")
public class EntityA { ... }
@Entity
@Table(name = &...
- 940
0
votes
0
answers
39
views
How to fill cache with new values when query cache expires : Ehcache 3 and hibernate 5
I have a query cache called RatesCache to store the result of my database call of RateEntities.
I set the query cache like this for test purpose and every 30s ttl, when it expires it make a new call ...
-1
votes
2
answers
95
views
problem with maven generation : HyperJaxb fails on Java JPA float array mapping
i have 2D double array attribute but as JPA doesn't work with array i have a @XmlJavaTypeAdapter(DoubleArrayAdapter.class) to store my array in a string for postgresql...
I am working with JDK 21 and ...
- 1
0
votes
1
answer
31
views
How to configure One To Mane mapping between entities both have composited key
My entity MrsConHist has One to many map to MrsConHistCar, MrsConHist and MrsConHistCar both have composited key class. when MrsConHist.getMrsConHistCar(...), I got error: [ORA-00942: table or view ...
- 1
0
votes
1
answer
32
views
Is it possible to map One-to-one association if primary key is generated and I'd like to have cascading specified?
I have two tables in one-to-one association, mapped by their primary keys. PKs are UUID. I'd like to map these in hibernate, so that I will persist parent entity and referenced child entity will get ...
- 3,267
0
votes
1
answer
100
views
Hibernate-ORM 6 NonUniqueDiscoveredSqlAliasException on native recursive HQL query
I am upgrading an spring boot app (spring-boot-starter-parent) from 2.6.1 to 3.4.1.
part of that upgrade is related to the upgrade of hibernate 5 to 6 and specifically hibernate core 6.6.4.Final with ...
- 2,310
0
votes
0
answers
46
views
PostgreSQLEnumJdbcType in Hibernate drop column
I have a class with enum:
import jakarta.persistence.*;
import lombok.Getter;
import lombok.Setter;
import org.hibernate.annotations.JdbcType;
import org.hibernate.dialect.PostgreSQLEnumJdbcType;
...
- 1
0
votes
0
answers
45
views
Hibernate is getting confused between primary key and foreign keys, giving mapping exception
I have following mappings
@Entity
@Table( name = "SECURITY_ZONES" )
public class SecurityZones implements Serializable {
@Id
@Column( name = "secZONE_ID", precision = 4 )
...
- 1
0
votes
1
answer
173
views
Type declaration in Hibernate 6
So I was upgrading my old application to Hibernate 6, I was able to get most of the code sorted.
But this one column type is causing a problem.
@Column(name = "JOB_ID", columnDefinition = &...
- 1,661
0
votes
0
answers
24
views
Why hibernate is calling update for parent entity or for child entity itself after inserting a child entity in unidirectional relationships?
Inventory.java:
@Entity
@Table(name = "inventory")
public class Inventory {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name = "inventory_id")
...
- 191
0
votes
0
answers
36
views
when using hibernate getting error Could not determine recommended JdbcType for Java type 'com.example.JpaRevision.repository.courseRepository'
when using jpa specification along with hibernate below error is occuring i have created one to one relation between course and courseMaterial and started the application but it's not working due to ...
2
votes
1
answer
716
views
Hibernate 6.6 fails if there is a composite generic @Id partially in a @MappedSuperclass
Update
2025/05/12
Having tried to create a Hibernate Test Case, I found out that my problem isn't about generic identifiers. It's about composite keys whose fields are distributed between classes. The ...
- 51
1
vote
1
answer
55
views
Why am I able to use ReverseStringComparator.class as the value of the @SortedComparator annotation when it is not a primitive or a String? [duplicate]
@Entity
@Table(name = "student")
public class Student {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
// other fields
@ElementCollection
@...
- 15
1
vote
1
answer
195
views
Bad value for type long" Error in Hibernate when Mapping ManyToMany relationship
I’m encountering an issue while working on a Spring Boot application that uses Hibernate for ORM.
Could not extract column [3] from JDBC ResultSet [Bad value for type long : Allows creating new ...
0
votes
2
answers
107
views
Hibernate OneToOne association, owning side not saving foreing key
I'm learning Hibernate (v. 6.6.1 final) and have a problem with a OneToOne relation
Customer Entity
@Entity
@Table(name = "customer")
public class Customer {
@Id
@Column(name = &...
0
votes
1
answer
116
views
Why Hibernate not saving new child object in OneToMany relation
I'm learning Hibernate ( v. 6.6.1 final) and have a problem
I have two entity classes
Person
@Entity
@Table(name = "person")
public class Person {
@Id
@Column(name = "id")...
0
votes
1
answer
33
views
'com.provider.fatoria.model.ConfigPergunta' (use '@Column(insertable=false, updatable=false)' when mapping multiple properties to the same column)
I have a problem because my table has a self relationship. I have to be able to insert and change the column, but it always gives this error: Column 'idTipoDoctoEntrada' is duplicated in mapping for ...
0
votes
1
answer
112
views
Mapping from Domain Object to JPA Entity: How to properly fetch associated entity?
I am following DDD in my application and I want to separate my persistence layer from domain layer.
I have to map the Domain objects to JPA entities for persistence.
I have one Domain aggregate named ...
0
votes
1
answer
105
views
Use EntityGraph for query with optional ManyToOne relationship
I've got a Hibernate entity with an optional relationship to another entity:
@NamedEntityGraph(
name = "expense-for-frontend",
attributeNodes = {
@NamedAttributeNode("...
- 1,871
0
votes
1
answer
37
views
How to map a PostgreSQL array with Hibernate to custom objects?
Has anyone mapped a numeric array in PostgreSQL to a List of CustomObject in Java via Hibernate?
SQL
CREATE TABLE sal_emp (name varchar, work_station bigint[]);
INSERT INTO sal_emp VALUES ('one', '{1,...
2
votes
1
answer
81
views
Unable to override global version in Grails 6
In the process of upgrading from Grails 3 to Grails 6, I am getting different behavior in bootRun vs. war deployments.
This setting in conf/application.groovy is set to disable the version (optimistic ...
- 401
0
votes
1
answer
739
views
Getting Cannot invoke "org.hibernate.metamodel.mapping.ModelPart.getNavigableRole()" because "subPart" is null after migrating to Spring Boot 3.3.3
I have a task to migrate to Spring Boot 3.x (from Spring Boot 2.6.5) and I chose OpenRewrite tool to help me with this task. After all the migration changes were done, running the application locally ...
- 43
0
votes
1
answer
130
views
Migrating from spring boot 3.0 to 3.2 is causing issues with inserting objects into Oracle database
Recently, we migrated from Spring Boot 3.0 to 3.2 and lost our ability to insert an object into the Oracle database. The following is the object in contention:
@Entity
@Table(schema="S1", ...
- 61
4
votes
1
answer
222
views
How to dynamically add, modify and remove Class Mappings and Entities in existing SessionFactory without rebuilding it?
I’m facing significant challenges with NHibernate in my .NET application, particularly around dynamically creating tables and altering schemas at runtime. My application needs to create millions of ...
- 12.9k
0
votes
1
answer
51
views
Hibernate @ManyToMany Mapping Issue: Unknown Column in Join Table On Clause (hibernate ignoring @JoinTable and @JoinColumn annotations)
I'm encountering an issue with a @ManyToMany mapping in my Spring Boot application using Hibernate. The problem arises when Hibernate tries to execute a query involving the join table for a Set<...
- 1
1
vote
0
answers
77
views
How to implement a double relation between entities with hibernate 6.5
I have a database on which 2 tables have a double relationship :
Database graph
The Spot may be the parent of several SpotConditions, so there is a basic OneToMany relationship.
But in addition, each ...
0
votes
0
answers
30
views
Exception in thread "main" org.hibernate.MappingException: Unknown entity....Hibernate-5
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 ...
0
votes
1
answer
80
views
Joining Entities by a Range - Hibernate
I have a question regarding Hibernate that's been bothering me for some time.
Consider I have two entities:
@Entity
public class Statement {
@Id
@Column
private int id;
@Column
...
- 759
0
votes
0
answers
273
views
Joda-time type mapping in Hibernate ORM 6
I'm new to Java and I am trying to migrate from Hibernate 5 to 6. My application uses joda-time for the timestamp data type. It is using both annotation and hibernate mapping files.
Following is a ...
0
votes
0
answers
32
views
Calling stored procedure with Hibernate which multiple type of outputs
I have a stored procedure from my DBA team. Here is the stored procedure, and temp table created. All I want to know here, how to map the temp table to the output value while calling the procedure in ...
0
votes
0
answers
138
views
SoftDelete issue
I am encountering an issue with the @SoftDelete annotation in my entity class. It forces eager loading, which is causing performance issues.
Consider the following class:
@Entity
@Data
@SoftDelete
...
- 111
1
vote
1
answer
54
views
Hibernate try to set my id field to the current object, what am I doing wrong?
I searched for a long time but I cannot understand what I am doing wrong here.
I'm using spring boot with starter-data-jpa. Versions:
Hibernate: 6.3.1.Final
HikariCP: 5.1.0
springboot dependency ...
- 99
0
votes
0
answers
40
views
Multiple ManyToOne relationship raised not mapped to a single property error
I have 3 entity class
Parameter entity class with multiple ManytoOne relationship.
Entity class below
@Entity
@Table(name = "t_gcg_parameter")
public class GcgParameter extends Common ...
- 11
0
votes
1
answer
135
views
Using @SqlResultSetMapping to map to list
Person
ID
Name
1
Luis
2
Frank
Address
Person-ID
Address
City
1
Samantha Road
x
1
Franklin
y
In my Hibernate native query I want to map the result of one person to a set of addresses, such like the ...
- 85
0
votes
0
answers
46
views
Hibernate not generating additional queries while fetching associated entities in eclipse console
Below is my Owning side Entity -
@Entity
@Table(name = "T_PERSON")
@Inheritance(strategy = InheritanceType.JOINED)
public class Person {
private Long id;
private String firstName;
private ...
- 185
-1
votes
1
answer
32
views
Problems with foreign keys in Hibernate
So, I have 2 entities:
Room:
@Entity
@Table(name = "rooms")
public class Room
{
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
private String type;
...
- 3
1
vote
1
answer
1k
views
Generate persistence mapping feature in IntelliJ IDEA has dissapeared?
I have recently upgraded to IntelliJ IDEA 2024.1. I work with the Hibernate framework and I used very often the 'Generate persistence mapping' feature from the Persistence window but it seems that ...
- 21
0
votes
1
answer
40
views
Having problems with foreign key in Hibernate
I have 2 tables Room and Guest
@Entity
@Table(name = "rooms")
public class Room
{
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
private String type;
private String ...
- 3
0
votes
2
answers
55
views
Automatically remove a child from its parent
@Entity
public class Book implements Serializable {
@Id
private Long bookId;
private String title;
@ManyToOne
@JoinColumn(name = "author_id")
private Author author;...
- 4,012
0
votes
1
answer
31
views
JPA Mapping : Embeddable Composite Key and Mapping issue
My DB Structure is as follows :
Table : product
prod_id
...
Table : product_category
prod_id
category_id
...
Product_category has Unique contsraint on (...
- 65