entitymanager

DORSETRIGS

Hibernate: AssertionFailure on entityManager.merge() due to null identifier for collection

Hibernates Assertion Failure on entity Manager merge Demystifying the Null Identifier for Collection Error Have you ever encountered a cryptic Assertion Failure

Hibernate: AssertionFailure on entityManager.merge() due to null identifier for collection

Getting "java.lang.IllegalArgumentException : Removing a detached instance"

Understanding java lang Illegal Argument Exception Removing a detached instance When working with Java Persistence API JPA and Hibernate developers often encoun

Getting "java.lang.IllegalArgumentException : Removing a detached instance"

Getting exception "detached entity passed to persist"

Understanding the Detached Entity Passed to Persist Exception in ORM When working with Object Relational Mapping ORM frameworks such as Hibernate in Java or Ent

Getting exception "detached entity passed to persist"

Spring Data JPA/Hibernate: JPQL constructor expressions- difference between using "new(..)" and not using it

Understanding JPQL Constructor Expressions in Spring Data JPA Hibernate Java Persistence Query Language JPQL is a powerful tool for retrieving data from a datab

Spring Data JPA/Hibernate: JPQL constructor expressions- difference between using "new(..)" and not using it

@SqlResultSetMapping with ConstructorResult checks for all the field using BeanProperty

Hibernate 6 2 and Sql Result Set Mapping with Constructor Result A Deep Dive into Instantiation Errors Upgrading to Hibernate 6 2 can sometimes bring unexpected

@SqlResultSetMapping with ConstructorResult checks for all the field using BeanProperty

ClassNotFounException on TransactionScopedEntityManager after a database persist

Understanding and Resolving Class Not Found Exception with Transaction Scoped Entity Manager in JSF and EJB This article delves into a common problem encountere

ClassNotFounException on TransactionScopedEntityManager after a database persist