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Questions - named-query

JPQL SELECT where more than one n:m per left-table entry exists

I did an JPA n:m structure where books(id, name) and authors(id, lastname) has a n:m Relation with a self-made table (bookAuthors) inbetween which has (book.id, authors.id) as combined pk. Now I want ...
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SUT

java

sql

jpa

jpql

named-query

Votes: 0

Answers: 1

Latest Answer

If you configured your entity correctly i presume your entity looks like following: Book.java ... public class Book { @Id ... other related annotation private Long bookId; // oth...
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Ratul Sharker

Strange bootloader casting issue caused by different packages: "class [Ljava.lang.Object; cannot be cast to class ([Ljava.lang.Object; "

I'm trying to create a nativeQuery in Spring Boot, but I'm getting a strange bootloader message when I try it: "class [Ljava.lang.Object; cannot be cast to class com.sick.as.models.common.v1.INor...
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Jack BeNimble

java

spring-boot

jpa

bootloader

named-query

Votes: 0

Answers: 1

Latest Answer

Effectively the reason is that JPA does not know of any way convert the Object that is read, into your desired POJO. One way you can achieve is to declare your DTO as an @Entity which will ensure that...
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Rambler

Does Hibernate core 5.3.7.Final is vulnerable in spring boot project for log4j vulnerability?

For our spring boot project , We are using customized spring boot library and it has been upgraded now. But during upgrade we have kept older version of hibernate core 5.3.7.Final to support namedNati...
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Ganesh Java

java

hibernate

jpa

log4j

named-query

Votes: 0

Answers: 2

Latest Answer

Hibernate is not affected: Hibernate projects are not affected by the vulnerabilities behind CVE-2021-45046 and CVE-2021-44228: none of the Hibernate projects has a runtime dependency on Log4j core. ...
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Simon Martinelli

spring jpa findBy column of inside entity

I have a couple of related entities in a relational DB: @Entity public class A { @Id @Column(name = "id" ...) private UUID id; @OneToMany(mappedBy = "a") priva...
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ldepablo

spring

jpa

one-to-many

named-query

Votes: 0

Answers: 1

Latest Answer

As already answered, the proposed code should already work but it didn't... The fix that worked for me was List<B> findByA_Id(UUID id); Table_Field references field field to table Table.
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ldepablo

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