Java spring JPA Repository Entity is not deleted
Questions: In my code, I get entity and try to delete it, used interface (ProductRepository) who extend JpaRepository: @Repository public interface ProductRepository extends JpaRepository<Product, ...
Tag Archives: jpa
How to draw in JPanel? (Swing/graphics Java)
Questions: I’m working on a project in which I am trying to make a paint program. So far I’ve used Netbeans to create a GUI and set up the program. As of right now I am able to call all th...
Post a JSON Array into Spring Boot 2 JPA
Questions: I want to post like this : [{ "employeeid": "1111", "employeename": "YOA" }, { "employeeid": "2222", "employeename": "OYA" }] My controller like this : @PostMapping("/api/employee/save") pu...
OPenJPA: : How to commit entities when an exception is thrown
Questions: In an EJB project, for a specific exception, I want to still persist the entity which is currently rolledback. Creating and flushing the entity in the exception block does not help. The tra...
Select between MongoRepository and JPARepository at startup
Questions: I am trying to build a library that supports both Mongo and JPA Data access in a Spring Application. I created both DAO classes (one extends MongoRepository, the other JPARepository). The l...
At least one JPA metamodel must be present!, or why am I getting the wrong bean factory?
Questions: I’m converting a Spring Boot application to use Java modules by using Moditect. I’m running into this problem: java.lang.IllegalArgumentException: At least one JPA metamodel mus...
How to fetch entities with multiple parameters with Spring and JPA
Questions: Lets say I have a site on which the user can select multiple variations of parameters. I can write what I need in SQL, but the problem is that there might be a lot of OR(a lot of multi-valu...
How to set sizes of every JPanel in JFrame in full-screen?
Questions: I have a JFrame with 3 JPanel components like this: | | | | 1 | | | | | | | | |____________________| | | | 3 | | 2 | | | | | | | | | | | |____________________|___________________| but when ...
ebean: mapping JPA class to database with existing connection
Questions: I have some JPA-annotated classes in my project that I was hoping to use for querying, inserts, and even table creation. I’ve found several tutorials for various ORMs, but most of the...
JPAQuery with Spring Pageable
Questions: I’d like to use org.springframework.data.domain.Pageable with com.querydsl.jpa.impl.JPAQueryis there a way or is there a solid workaround how to make Pageable work with JPAQuery? Answ...
