Diffrerent number of entries using findAll and findOne

I have this method

Cannot understand the behavior of findOne method in JPA

I have the data class Request which name corresponds the BD table

JPA/Hibernate: not creating foreign keys even though I used @Inheritance(strategy = InheritanceType.JOINED)

I have a super abstract class User:

Caused By: org.springframework.orm.jpa.JpaSystemException: Encountered a duplicated sql alias [id] during auto-discovery of a native-sql query

Here is my query,

Hibernate/JPA @OneToOne “object references an unsaved transient instance” error when trying to insert entity with foreign key

I am quite new to Spring boot in general and I am trying to create an REST API application. I have ran into this problem. When I try to post an entity that references another via the foreign key I get this error message: