identifier 3 « Core « JPA Q&A





1. Identifiers and their values?    forum.hibernate.org

2. different object with the same identifier value    forum.hibernate.org

I've done this before. What you need to do is an eviction. Take the object that was loaded into Hibernate and evict it. The object becomes detached. Set the primary key or id of that evicted object to zero or null. Then, you can add the object back to the Hibernate Session and it will be treated as a new instance ...

3. Quoted identifiers for DDL and queries    forum.hibernate.org

5. No Proxy initialization on get identifier    forum.hibernate.org

Hibernate does not trigger proxy initialization for single-ended associations when just the getter method of the identifier field is called. (See reference documentation 19.1.3. Single-ended association proxies.) If field access (access=field) is used the Hibernate proxy doesn't know the identifier getter method and therefore initializes the proxy on any methodcall. Now my question to Hibernate internals specialists: Is it possible to ...

7. "a different object with the same identifier value was    forum.hibernate.org

Hi! I have a problem with hibernate. When i want to delete or edit an object, i have this exception: "a different object with the same identifier value was already associated with the session" Yesterday, i modified the .hbm.xml because i had this exception: "deleted object would be re-saved by cascade (remove deleted object from associations)" I erased the property lazy="false" ...

8. identifier of an instance ... was altered    forum.hibernate.org

Newbie Joined: Thu Oct 16, 2008 3:27 pm Posts: 2 Hello, I am trying to update a field (which is part of a composite key) and I am getting the following exception: identifier of an instance of com.mshome.EnumEntry was altered from com.mshome.EnumPK@e6013791 to com.mshome.EnumPK@c3b360ee I have this table "Enum" Code: ENUMNAME varchar not null, ENUMVALUE varchar not null, CONSTRAINT "ENUM_PK" PRIMARY ...

9. identifier of an instance ... was altered    forum.hibernate.org

Newbie Joined: Thu Oct 16, 2008 3:27 pm Posts: 2 Hello, I am trying to update a field (which is part of a composite key) and I am getting the following exception: identifier of an instance of com.mshome.EnumEntry was altered from com.mshome.EnumPK@e6013791 to com.mshome.EnumPK@c3b360ee I have this table "Enum" Code: ENUMNAME varchar not null, ENUMVALUE varchar not null, CONSTRAINT "ENUM_PK" PRIMARY ...





10. No row with the given Identifier exist    forum.hibernate.org

11. ORA-00904: Invalid Identifier on a get all from table    forum.hibernate.org

Author Message tomp Post subject: ORA-00904: Invalid Identifier on a get all from table Posted: Tue Dec 30, 2008 10:43 am Newbie Joined: Tue Dec 30, 2008 10:11 am Posts: 4 I'm getting a ORA-00904: Invalid Identifier when trying to retrieve all items from a table which would appear to be due to an alias being used in the ...

12. a different object with the same identifier value    forum.hibernate.org

Hello, I have the following entities: Code: class A { ... } class B { A a; // setter and getter Set item; // setter and getter ... } class C { A a; // setter and getter Set item; // setter and getter ... } class ...

13. why UnionSubclassEntityPersister dos't use quoted identifier    forum.hibernate.org

Newbie Joined: Wed Mar 04, 2009 11:22 am Posts: 1 Why UnionSubclassEntityPersister dos't use quoted identifier? Hibernate version: 3.3.1.GA Mapping documents: Code: @Entity public class Parent implements Serializable { private static final long serialVersionUID = 1L; @Id @Column(length = 40) @GenericGenerator(name = "uid", strategy = ...

14. Fetching identifier fields from Configuration    forum.hibernate.org

15. No row with the given identifier exists exception for Create    forum.hibernate.org

com.jiva.pojo.DataAccessLayerException: org.hibernate.UnresolvableObjectException: No row with the given identifier exists: [com.jiva.pojo.StatusLog#11488] at com.jiva.pojo.AbstractDAO.handleException(AbstractDAO.java:354) at com.jiva.pojo.AbstractDAO.saveOrUpdate(AbstractDAO.java:114) at com.jiva.pojo.StatusLogDAO.create(StatusLogDAO.java:36) at com.jiva.crawler.UrlCrawlerPostingPage.createStatusLog(UrlCrawlerPostingPage.java:271) at com.jiva.crawler.UrlCrawlerPostingPage.logPostingRepeated(UrlCrawlerPostingPage.java:198) at com.jiva.crawler.UrlCrawlerPostingPage.startProcessing(UrlCrawlerPostingPage.java:138) at com.jiva.crawler.UrlCrawler.processMainPage(UrlCrawler.java:200) at com.jiva.crawler.UrlCrawler.startProcessing(UrlCrawler.java:126) at com.jiva.crawler.CampaignExecutor.run(CampaignExecutor.java:121) at org.springframework.core.task.SimpleAsyncTaskExecutor$ConcurrencyThrottlingRunnable.run(SimpleAsyncTaskExecutor.java:192) at java.lang.Thread.run(Thread.java:595) Caused by: org.hibernate.UnresolvableObjectException: No row with the given identifier exists: [com.jiva.pojo.StatusLog#11488] at org.hibernate.UnresolvableObjectException.throwIfNull(UnresolvableObjectException.java:42) at org.hibernate.event.def.DefaultRefreshEventListener.onRefresh(DefaultRefreshEventListener.java:126) at org.hibernate.event.def.DefaultRefreshEventListener.onRefresh(DefaultRefreshEventListener.java:39) at org.hibernate.impl.SessionImpl.fireRefresh(SessionImpl.java:827) at org.hibernate.impl.SessionImpl.refresh(SessionImpl.java:817) at com.jiva.pojo.AbstractDAO.saveOrUpdate(AbstractDAO.java:111) ... 9 more I am getting ...

16. Does session contain entity (using its identifier)?    forum.hibernate.org

I am trying to determine if an entity exists within the currently active session (using its identifier). I've tried using contains, however, I discovered that it returns true if and only if the exact object instance exists. So, with that said, is there any way to determine if an entity exists within the currently active session using its identifier? Thanks in ...





17. ConstraintViolationException - Identifier changed in update    forum.hibernate.org

Hi, I encountered a problem when I trying to update the object RFQ , Hibernate tends to update its collection BQMaster and trying to set and update the identifier of BQMaster. The postgre log file: 2009-05-22 11:16:53 ERROR: duplicate key violates unique constraint "bq_masters_pkey" 2009-05-22 11:16:53 STATEMENT: update bq_masters set rfq_id=$1, id=$2 where id=$3 error in console: Caused by: java.sql.BatchUpdateException: Batch ...

18. Identifier - manual assigment    forum.hibernate.org

Yes, it would be nice to know more about possibilities in this area. It appears that saveOrUpdate() always coins a new ID when it is doing an insert, and always does an update when it is not coining a new ID. We would also, sometimes, like to maunally coin the ID and then have Hibernate do the insert. Our current approach ...

19. ORA-00904: "OUT_DISCARDS": invalid identifier    forum.hibernate.org

Newbie Joined: Wed Jun 03, 2009 3:50 pm Posts: 2 I am a newbie here and need some expertise help for my problem, it get me stuck for a long time and project needs due soon. I really appreciate help from here. I'm trying to grab some records from tables and views and insert the results into a new table. The ...

20. Error: object with the same identifier value was already ass    forum.hibernate.org

Newbie Joined: Sun Apr 05, 2009 6:56 am Posts: 5 Hi receive this error when I try to saveOrUpdate an Hibernate Object. Code: org.springframework.orm.hibernate3.HibernateSystemException: a different object with the same identifier value was already associated with the session: [com.intesasanpaolo.tps.model.ECurrenciesDiffmin#com.intesasanpaolo.tps.model.ECurrenciesDiffmin@f5bad0]; nested exception is org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session: [com.intesasanpaolo.tps.model.ECurrenciesDiffmin#com.intesasanpaolo.tps.model.ECurrenciesDiffmin@f5bad0] ...

22. @IdClass cause identifier of an instance altered in em.find    forum.hibernate.org

Newbie Joined: Thu Sep 10, 2009 6:21 pm Posts: 4 Location: Almaty This is probably a bug! When i am trying to find my already persisted Entity (Membership with Composite Id ( @IdClass )) after when my transaction commited it cause Code: 4:00:20,593 WARN [arjLoggerI18N] [com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator_2] TwoPhaseCoordinator.beforeCompletion - failed for com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple@1f5e42b javax.persistence.PersistenceException: org.hibernate.HibernateException: identifier of an instance of kz.bee.wx.security.Membership was ...