Category "hibernate"

Error : Cannot use identity column key generation with <union-subclass> ( TABLE_PER_CLASS )

I am using Hibernate to save entities where all entities are inherited from a base abstract entity. For all concrete Entities there are database tables respecti

Not-null property references a transient value - transient instance must be saved before current operation

I have 2 domain models and one Spring REST Controller like below: @Entity public class Customer{ @Id private Long id; @OneToOne(fetch = FetchType.EAGER) @Joi

Java Hibernate - is it possible to save the result to the database without commit, so that I can use sql / hql to verify data and rollback if needed?

I'm using Java with Hibernate. I want to: Save my data to the database Run sql to verify the result If the result is valid, then commit, otherwise rollback So,

Get org.hibernate.LazyInitializationException in spring boot integration test

I'm trying to write integration test for Spring Boot application. I have Product and GalleryImage domain model. They are in one-to-many relationship. public cl

Fundamentals.How can you use Lazy fetching in Spring+Hibernate+=Vaadin after the session closes

There is the Customer entity which has a one to many relationship to entity Address,so there is a List<Address> getAddress in Customer.Entity Address has

org.hibernate.QueryException: Not all named parameters have been set:[]

I'm getting extremely strange behavior out of JPA 2.0 I'm trying to build a query that looks likes, where employeId and empDepartment are long values passing

Error java.lang.AssertionError: expected: null<null> but was: java.lang.String<null> what does it mean?

I have this strange issue in my Junit 4.12 test code. The application uses Spring Framework 4.1.6 and Hibernate 4. When comparing two beans coming from differen

Hibernate Mapping Error: MappingException: An AnnotationConfiguration instance

I have a project with Hibernate.I tried to read the configuration file hibernate.cfg and got this error: Error creando una factoria de session.org.hibernate.M

Spring data repository not found at compile time

I am trying to use Spring data and repositories in a Spring Boot application, but I have an error when compiling the project. Here is my Entity : package fr.i

How to limit result in @Query used in Spring Data Repository

I am retrieving data by CrudRepository in Spring Data JPA. I want to filter my records those are retrieved from my custom query provided in @Query annotation. I

Hibernate mapping classes from hibernate.cfg.xml

For class mapping from hibernate.cfg.xml I use these format below: <mapping class="packageName.className1"/> <mapping class="packageName.className2"

getting Caused by: org.hibernate.QueryException: cannot dereference scalar collection element: roles

I have this class , and i'am trying to acess mobileNumbers and roles from the user table , but being lazy intialized i keep getting 'lazy intialization error. I

What is the "proper" way to cast Hibernate Query.list() to List<Type>?

I'm a newbie with Hibernate, and I'm writing a simple method to return a list of objects matching a specific filter. List<Foo> seemed a natural return typ

Initializing C3P0 connection pool takes 2 min

I can't wrap my head around why the initialization of a c3p0 connection pool takes 2 min in my Hibernate application. This is in my Hibernate.cfg.xml: <hib

When does the hibernate session gets closed

I have created the following entities. @Entity public class Student { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long id;

Bad type on operand stack error when using hibernate

I am getting an error when using the hibernate. This is the stack trace:- java.lang.VerifyError: Bad type on operand stack Exception Details: Location: o

No Dialect mapping for JDBC type: 1111

I'm working on a Spring JPA Application, using MySQL as database. I ensured that all spring-jpa libraries, hibernate and mysql-connector-java is loaded. I'm ru

DetachCriteria paginated query returns duplicate values

I've got a paginated detached criteria execution which return rows of an entity. The entity class is as following. @Entity @Table(name="POS_T_HTL_ITEM_GROUP")

DetachCriteria paginated query returns duplicate values

I've got a paginated detached criteria execution which return rows of an entity. The entity class is as following. @Entity @Table(name="POS_T_HTL_ITEM_GROUP")

Hibernate code generation does not create EJB3 annotation on export

Im trying to reverese engineer Mysql db into pojo java with annotation. this is my configuration : both "Use Java 5 syntax" and "Generate EJB3 annotations" are