I have a Spring boot application with Hibernate L2 cache enabled. I integrated Hazelcast as cache provider for Hibernate. My application runs on Kubernetes and
In the following example, there are 3 entities which have relations e.g. @ManyToMany, @OneToMany and @ManyToOne: Student: @Entity @Data public class Student {
We have a large code base using Hibernate and JPA with hand-made DAO Layer. Entites are mapped with JPA annotations (javax.persistence) and if needed, hibernate
I'm working with 2 tables: Person and City. I have a @ManyToOne relationship which worked fine. (many persons can belong to one city). Then I needed to create a
I am a bit confused about bidirectional parent-child relationships. I have entities like so: Foo -> Parent -> List of Child Bar -> Child if I have on t
Two Spring boot (spring data jpa) Application A1 and Aplication A2 both read/write to a table named T1. T1 -> ID, data1, isDeleted columns My requirement is
I want to save a GeoJSON to database by using Spring Boot and JPA Example JSON object: { "type": "FeatureCollection", "features": [ { "type":
**Controller** package com.example.curd.curdtesting.controller; import com.example.curd.curdtesting.entity.Book; import com.example.curd.curdtesting.service.Bo
someone could help me to solve this bug? i have update spring boot from 2.5.x to 2.6.3 and now the query like: @Query("select count(s.subjectId) from PreChe
I know this has been asked many times, but none of the answers have solved the problem so far. My code was working perfectly for years up until I upgraded from
I am stuck with some problem about using JPQL with spring data Here is my code snippets @Entity @Table //... public class Parent { @Id private Stri
I recently updated the h2 database in my springboot project to 2.1.210. This induced some problems, most of them I was able to fix myself. The one that I can't
I have an TimelineEntity entity, that uses HoTimelineType enum with custom integer value. That custom integer value is stored in the database. Implemented via U
So I have found a few answers where one says it is possible to do so and the other says it is not. This kind of confused me because when I tried to do so - I fa
I have a requirement where I have to save a lot of data into an Oracle DB. I want to use multithreading to speed things up. Everything is in a transaction. I ha
I have the database tables Person and Details. Details are intended to carry the miscellaneous fields for the Person using the foreign key PERSON_ID. JPA code h
package ro.contabilitateexpert.AccountExpert.config; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.annotati
In a project that was passed on to me there is a MySQL database that is used to store lots of data. Each database has a table that contains lots of text snippet
My Hibernate query is: SELECT M.uid, P.userUid, COUNT(*) FROM PostXMentionsEntity M JOIN PostsEntity P GROUP BY M.uid, P.userUid ORDER BY COUNT(*) DESC where P
I`m DONT use EJB/Spring etc. Only Jpa + Servlet. I`m trying to create public abstract class AbstractEntityManagerFactory { private static final EntityManagerFac