Category "spring-data-jpa"

DB default column value null while saving with Spring Data JPA

I have a JPA entity with the following fields: @ManyToOne(fetch = FetchType.LAZY) @JoinColumn(name = "modified_by_user_id") private User modifiedByUser; @Conve

How to throw exception when there is extra parameters in request body spring boot

In my last project, there was a requirement for throwing exceptions when the request body contains extra parameters. If the request will be like { "test":"bo

JPA relationship for existing table and parent table

I have a table which has a foreign key relationship with an existing table and its child table. The parent table exists before the child table as is populated

JPA/Hibernate @GenericGenerator throws StackOverFlow on persisting entity

I have implemented two entities (Department and Employee) with custom ID generator for Employee, and has a unidirectional one-to-many relationship as shown belo

Is there a way to return collection instead of entity in @Repository's @Query

I have a query: @Query( value = "select name, age, now() from received.scheme ;", nativeQuery = true ) public {???} selectData() I cannot create or r

file from one node to another node?

I would like to add a database to it so that the information is stored.

Cassandra Spring No Converter Found Capable of Converting from Type Instant to type Long

Am getting a No converter found capable of converting from type Instant to type Long while using Spring and Cassandra. I have 2 Instant fields writtenDate (in t

Spring QuerydslPredicate - exception handling for bad types

I didn't find any proper solution for this so maybe you can assist. Basically issue is ultra simple I want to do some kind of "better looking" error handling wh

Spring Batch - RepositoryItemReaderBuilder with RepositoryMethodReference throws Cannot subclass final class

I'm trying to use Spring Batch RepositoryItemReaderBuilder with RepositoryMethodReference as parameter to provide type-safe way to call repository methods. unfo

How to get Count of OneToMany field in JPA Enity?

How can we get the count of OneToMany field of JPA entity as querying count for each parent entity while fetching as a list is costly and there is no way in JPA

JPA cascading delete fails with custom delete method

I ran into an error with custom delete method in spring data jpa. Basically there's a bag which contains items, and when deleting the bag, all the items in it s

How to get Grails Gorm autocomplete in regular Spring Data JPA

Grails GORM is able to autogenerate ORM findBy[fieldName] and related methods for each of the fields in the entity, I'm not sure what magic it uses to do this I

Hibernate: How to create multi-column index on join table

I have two entity classes: Taco @Data @Entity @Table(name="Taco") public class Taco { @Id @GeneratedValue(strategy = GenerationType.SEQUENCE) @

Struggling to switch between databases at runtime with Spring boot

I'm trying to change which database is used at runtime (like from H2 to MySQL and back). Is it also possible to make both of them be used simultaneously (meanin

Use Stream return type in Spring Boot controller lead to "java.sql.SQLException: Closed Resultset: next"

When streaming result from JpaRepository to Rest API, I have an exception "java.sql.SQLException: Closed Resultset: next" I am Using Spring boot, Spring Data JP

Spring Data JPA Redis: Query by multiple values for same key? Query by Example using REGEX not supported

Please let me know if this has been asked before. I have a requirement to do some advanced filtering on data that is stored in Redis cache. Imagine there are 2

How can we assign a field of user table say id that is primary key, to another table as a primary key? using hibernate

See I dont want any mapping but what I want is just a simple thing that is.... I have two Entity Tasks(taskid,taskname.....,userId) User_Credentials(userId,pass

Field annotated with @Transient being persisted in @DataJpaTest

I'm practicing TDD, So now I'm trying to make a test that will fail for now. About to test a @Entity that don't have a field relationship mapped so far. So I'm

java.sql.SQLException: Column 'serialnumber' not found. (spring boot)

I am writing to-do list web app with spring boot. I Have 2 entities: User (fields: userid (ID), username, password Item (fields: serialnumber (ID), task, userid

How to test a repository with a user that have update rights and the test needs tot add records to the database

I use mysql and spring 5, spring-data-jpa and spring-boot and JUnit5. This must be a common problem but I don't see te sollution. I have to test a repository wi

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