Last updated on JULY 29, 2017

Applies to:

Symptoms

JPA Embeddeds are always set to shared=true (isolated=false) and do not pick up defaults or their parent's shared setting. They should probably inherit the isolation of their parent at all times. When eclipselink.cache.shared.default is set to false, any relationship from an Embedded to a non-shared Entity will trigger a validation exception.

Entity Object Model

Publisher references Embeddable Address
Address has a OneToOne mapping to City

The persistence.xml defines:

<property name="eclipselink.cache.shared.default" value="false" /> 

Problem Scenario

• Just starting the persistence context will reproduce the problem
  
  
  public static void main(String[] args) {
  
      EntityManagerFactory emf = Persistence
          .createEntityManagerFactory("example");
      EntityManager em = emf.createEntityManager();
      em.close();
      emf.close();
  
  }

Observed Behavior

Exception [EclipseLink-195] (Eclipse Persistence Services - 2.0.2.v20100323-r6872): org.eclipse.persistence.exceptions.DescriptorException

Changes

Cause