101 words

Issue #256 - Merge throw exception "Attempt to reuse an existing primary key value"

BugVersion: 2.6.2Priority: CriticalStatus: FixedReplies: 2
2015-05-21 19:15


if Id = 0 I got

javax.persistence.EntityExistsException: com.objectdb.o.UserException: Attempt to reuse an existing primary key value (ru.dz.train.test.ZeroIdTest$MyEntity:0)


if Id=1 no exception

code :

import javax.persistence.*;
public class ZeroIdTest {
    public static void main(String[] args) {
        EntityManagerFactory emf = Persistence
        EntityManager em = emf.createEntityManager();
        final int Id = 0;
        em.persist(new MyEntity(Id));
        em.merge(new MyEntity(Id));
    public static class MyEntity {
        private int Id;
        public MyEntity(int id) {
            Id = id;
        public MyEntity() {
uncol's picture
Joined on 2013-12-29
User Post #3
2015-05-22 13:22

Build 2.6.2_01 includes a fix. Thank you for this report.

ObjectDB Support
ObjectDB - Fast Object Database for Java (JPA/JDO)
support's picture
Joined on 2010-05-03
User Post #2,210
2015-05-22 17:55

Thank You.

2.6.2_01 fix our problem.

uncol's picture
Joined on 2013-12-29
User Post #4

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