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Questions tagged [jpa-2.2]

This tag is for questions specifically about new features of version 2.2 of the Java Persistence API.

63 questions
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Netbeans 12.0 - Generating Entity Classes from DB uses Java Date class instead of LocalDate

I am using Netbeans 12.0, and to create my Entity classes for my DB tables, I use Netbeans Entity Classes from Database. It works great other than the fact it defaults all my date columns to the pre Java 8 Date classes, and I recently discovered…
cela
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Why is hibernate cascading by default when I don't have any CascadeTypes set

I'm running into the following exception when I'm trying to persist new swipe objects: javax.persistence.PersistenceException: org.hibernate.PersistentObjectException: detached entity passed to persist: org.munch.database.models.bunch.Munch Here is…
Aleks Azen
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JPA criteria filter by related entity without join

I want to know how to use JPA Criteria API to filter entity by related entity's foreign key. Let's say i have two entities as the following: public class Employee { @Id private Long id; ... @ManyToOne private Department…
Mohammad Awwaad
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Hibernate : Error in persistence.xml - Element 'persistence-unit' cannot contain text content. The content type is defined as element-only

I'm using Hibernate and the below persistence.xml was working fine. But after creating a new JPA entity from Table in eclipse, persistence.xml is giving error - Element 'persistence-unit' cannot contain text content. The content type is defined as…
Neethu S
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EclipseLink throws JPQLException on using SELECT ... AS in a constructor expression

I have a JPQL query with a constructor expression using EclipseLink 2.7.5. It fails with: Caused by: Exception [EclipseLink-0] (Eclipse Persistence Services - 2.7.5.v20191016-ea124dd158): org.eclipse.persistence.exceptions.JPQLException Exception…
Kawu
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What is best way to JPA repository update?

I am extending my question here: Spring Data JPA Auditing not working for the JpaRepository update method with @Modifying annotation, why?. I am using Spring Boot + Spring Data JPA. I've developed update @Modifying(clearAutomatically =…
Pra_A
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Caused by: org.postgresql.util.PSQLException: ERROR: null value in column "student_id" violates not-null constraint

I am developing Spring Data JPA Postgres example. In this example I make the relationship between Student and StudentMember. Error: java.lang.IllegalStateException: Failed to execute CommandLineRunner at…
Pra_A
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Unable to generate JPA metamodel casses with gradle and sts

There is a lot of different information of how to setup project so generating JPA metamodel works on build, but non of those works for me. I'm using Java 11, gradle 5.4.1 and STS (tried both STS 3.9.8 and 4.2.1). My gradle setup for annotations…
Mario Rudman
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What can cause random slowdowns for a JPA native insert query?

I have a NativeQuery which copies about 1000 rows (selects and inserts with some columns changed). The problem is that sometimes (about 1/3 of the runs) executeUpdate takes 50 ms and sometimes (2/3 of the runs) it takes 1500 ms. The same query is…
Aivar
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Eclipselink 2.7.3 not performing 'drop-and-create'

Using the following config in persistence.xml
esteban rincon
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How to use a @ConstructorResult with a Set field

I'm trying to create a @NamedNativeQuery with a @ConstructorResult for a class that has a field with a Set of enum values. VeterinarianJPA.java: @Entity @Table(name = "veterinarians") @Setter @Getter @NoArgsConstructor @NamedNativeQueries({ …
Paul Campbell
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EclipseLink: Entities not loaded

I have a JPA-Project, which I'm trying to update to JPA 2.2.0 and EclipseLink 5.7.1 since I ran into bug 429992 of EclipseLink. With the new versions in place, I'm not able to execute my application anymore – EclipseLink throws an exception similar…
Janik
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No Persistence provider for EntityManager Hibernate 5

I have the following project structure which is a multi-module maven project. My issue is in the persistence configuration (located in the model module). It generates my war without returning errors but when it comes to instanciate the…
A. Gorin
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JPA criteria API join on attributes instead of class root

I have @Entity public class Entity0 implements Serializable { private static final long serialVersionUID = 1L; @Id private Long id; @OneToOne private Entity1 entity1; ... } @Entity public class Entity1 implements…
Karl Richter
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