unable to persist a new entity, when there is a entity with id value 0 loaded
in persistent context
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Key: OPENJPA-330
URL: https://issues.apache.org/jira/browse/OPENJPA-330
Project: OpenJPA
Issue Type: Bug
Components: jpa
Affects Versions: 1.0.0
Reporter: Henry Lai
unable to persist a new entity, when there is a entity with id value 0 loaded
in persistent context.
The entity is declared to use generated value sequence strategy.
<1.0.0-SNAPSHOT-SNAPSHOT nonfatal store error>
org.apache.openjpa.persistence.EntityExistsException: An object of type
"ptp.test.issue7.T7Entity" with oid "ptp.test.issue7.T7Entity-0" already exists
in this context; another cannot be persisted.
public void testEntityWithZeroID(){
PersistenceProviderImpl openJPA = new PersistenceProviderImpl();
EntityManagerFactory factory =
openJPA.createEntityManagerFactory("test",
"ptp/test/issue7/persistence.xml",
System.getProperties() );
EntityManager em = factory.createEntityManager();
em.getTransaction().begin();
Query deleteStmt = em.createNativeQuery("delete from T7Entity");
deleteStmt.executeUpdate();
em.getTransaction().commit();
em = factory.createEntityManager();
em.getTransaction().begin();
Query createStmt = em.createNativeQuery("insert into T7Entity
(S_ID,NAME) values (0,'MICKEY')");
createStmt.executeUpdate();
em.getTransaction().commit();
em = factory.createEntityManager();
em.getTransaction().begin();
Query query = em.createQuery("select obj from T7Entity obj");
List resultList = query.getResultList();
T7Entity aEntity = new T7Entity();
aEntity.setName("Minnie");
em.persist(aEntity); // fails here
em.getTransaction().commit();
em.close();
}
<entity class="T7Entity">
<table name="T7Entity" />
<attributes>
<id name="id">
<column name="S_ID" />
<generated-value strategy="SEQUENCE"
generator="seqGen1" />
<sequence-generator name="seqGen1"
sequence-name="SEQ_OBJECT_ID" />
</id>
<basic name="name" />
</attributes>
</entity>
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