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From "Claus Ibsen (JIRA)" <>
Subject [jira] Commented: (CAMEL-2980) camel-jpa doesn't use EntityManager.merge(entity) in the right way
Date Fri, 23 Jul 2010 04:50:52 GMT


Claus Ibsen commented on CAMEL-2980:

Christian I think we should add an option so end users can choose if they want to use {{merge}}
or {{persist}}. The default value could be the current one.

> camel-jpa doesn't use EntityManager.merge(entity) in the right way
> ------------------------------------------------------------------
>                 Key: CAMEL-2980
>                 URL:
>             Project: Apache Camel
>          Issue Type: Bug
>          Components: camel-jpa
>    Affects Versions: 2.4.0
>         Environment: All
>            Reporter: Christian Mueller
>            Assignee: Christian Mueller
>             Fix For: 2.5.0
> The EntityManager.merge(entity) method returns the merged entity. The exchange in message
body should be updated with the merged entity (what camel-jpa currently not do).
> I running into this problem, because after saving an entity in the database, the id field
was still null. So, we don't know, which entity in the database is the corresponding to this
entity... :-(
> Have a look in the process method of [JpaProducer|]
and the Java doc from the [EntityManager|].
> Christian

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