How to fix the Hibernate "object references an unsaved transient instance - save the transient instance before flushing" error

How to fix the Hibernate "object references an unsaved transient instance - save the transient instance before flushing" error

java hibernate jpa orm entity

java

PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate

java hibernate jpa entity persist

java

How to set a default entity property value with Hibernate

java hibernate orm entity default-value

java

What is the difference between persist() and merge() in JPA and Hibernate?

java hibernate jpa orm entity

java

Should I write equals() and hashCode() methods in JPA entities?

java jpa entity equals hashcode

java

Difference between Entity and DTO

java entity dto

java

Disable caching in JPA (eclipselink)

java jpa entity eclipselink

java