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PersistentObjectException: detached entity passed to persist. All I needed to fix was remove that id setting line for the simpleObject in the main method.
- Overview
- Detached Entities
- Trying to Persist A Detached Entity
- Trying to Persist A Detached Entity Through An Association
- Conclusion
In this tutorial, we’ll learn about Hibernate’s PersistentObjectException, which occurs when trying to save a detached entity. We’ll start by understanding what the detached state means, and the difference between Hibernate’s persist and mergemethods. Then we’ll reproduce the error in various use cases to demonstrate how to fix it.
Let’s start with a short recap of what the detached state is and how it relates to the entity lifecycle. A detached entity is a Java object that’s no longer tracked by the persistence context. Entities can reach this state if we close or clear the session. Similarly, we can detach an entity by manually removing it from the persistence context. We’l...
If we try to persist a detached entity, Hibernate will throw a PersistenceExceptionwith the “detached entity passed to persist” error message. Let’s try to persist a detached Postentity to anticipate this exception: To avoid this, we should be aware of the entity state and use the appropriate method for saving it. If we use the merge method, Hibern...
For this example, we’ll introduce the Commententity: We can see that the Comment entity has a many-to-one relationship with a Post. The cascade type is set to CascadeType.MERGE; therefore, we’ll only propagate merge operations to the associated Post. In other words, if we merge a Comment entity, Hibernate will propagate the operation to the associa...
In this article, we discussed Hibernate’s PersistentObjectException and learned its main causes. We can avoid it with the proper use of Hibernate’s save, persist, update, merge, and saveOrUpdatemethods. Moreover, good utilization of JPA cascading types will prevent PersistentObjectExceptionfrom occurring in our entity associations. As always, the s...
5 de mar. de 2015 · org.hibernate.PersistentObjectException: detached entity passed to persist: br.gov.ro.portovelho.semfaz.sisfiscal.domain.Funcionario. O que fazer para resolver esse erro? Minha classe GrupoTrabalho: package br.gov.ro.portovelho.semfaz.sisfiscal.domain; import java.io.Serializable; import java.util.ArrayList; import java.util.Date;
23 de mai. de 2023 · A user reports an issue with Hibernate 6 and Spring Boot 3 when fetching tours with location eager loaded. The exception is caused by the @PostLoad method on Location entity that tries to persist a detached entity (Tour).
19 de ago. de 2020 · respostas. org.hibernate.PersistentObjectException: detached entity passed to persist: br.com.alura.jpa.modelo.Conta (?) Publicado 4 anos atrás , em 19/08/2020. Programação. Java e persistência. Java e JPA: Persista seus objetos com a JPA2 e Hibernate.
6 de set. de 2017 · Software Development. Spring and Spring Boot (Java EE) Software Development. A fix for "Persistent Object Exception - detached entity passed to persist" in Spring Boot. By David Herron. ; Date: Wed Sep 06 2017. Tags: Spring Boot. Error messages coming out of Spring can be more than inscrutable.
6 de mai. de 2023 · Starting from Spring Boot 3 and Spring Framework 6, the error: org.hibernate.PersistentObjectException: detached entity passed to persist becomes the following org.hibernate.PersistentObjectExceptionto JPAPersistenceException`: detached entity passed to persist. What is a Detached Entity?
