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From "Rick Curtis (Closed) (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (OPENJPA-2155) Transaction Management in multiple Entities in one transaction
Date Fri, 16 Mar 2012 16:13:38 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-2155?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rick Curtis closed OPENJPA-2155.
--------------------------------

    Resolution: Not A Problem

Please utilize the OpenJPA (users) mailing list[1] for questions. JIRA should be used for
bugs and/or features.

Thanks,
Rick

[1] http://openjpa.apache.org/mailing-lists.html
                
> Transaction Management in multiple Entities in one transaction
> --------------------------------------------------------------
>
>                 Key: OPENJPA-2155
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-2155
>             Project: OpenJPA
>          Issue Type: Question
>          Components: jpa
>    Affects Versions: 2.1.1
>         Environment: WebSphere Application Server 6.1.37 on Windows and AIX
>            Reporter: Prabhat
>              Labels: Transaction
>
> I am a new user on OpenJPA,
> I have a scenario where I need to perform update/insert in multiple entities on one transaction.
How to achieve this?
> example of EntityManager update method (auto generated by Rational Software Architect8.0.3).
[ The same way, I have two more entities. ]
> ==================
> 	@Action(Action.ACTION_TYPE.UPDATE)
> 	public String updateKna1(Kna1 kna1) throws Exception {
> 		EntityManager em = getEntityManager();
> 		try {
> 			em.getTransaction().begin();
> 			kna1 = em.merge(kna1);
> 			em.getTransaction().commit();
> 		} catch (Exception ex) {
> 			try {
> 				if (em.getTransaction().isActive()) {
> 					em.getTransaction().rollback();
> 				}
> 			} catch (Exception e) {
> 				ex.printStackTrace();
> 				throw e;
> 			}
> 			throw ex;
> 		} finally {
> 			////em.close();
> 		}
> 		return "";
> 	}
> ==========================
> If I keep commit/rollback in each entity then I can not rollback from all previous entities
(if last entity insert or update fails).
> Can you help me on this?
> Thanks in Advance.

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