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From "Oliver Gierke (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OPENJPA-2234) EntityManager instance creation needs TX activity
Date Tue, 09 Oct 2012 13:09:02 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-2234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13472349#comment-13472349
] 

Oliver Gierke commented on OPENJPA-2234:
----------------------------------------

How is the TransactionManager expected to be set on the EntityManagerFactory then? I cannot
see any API on EntityManagerFactoryImpl which could have been invoked. I'd also argue that
the implementation should shield against the transaction manager being null more explicitly
if it is mandatory rather than throwing a generic NPE. There seems to be a configuration/setup
error by the user and that should be communicated.
                
> EntityManager instance creation needs TX activity
> -------------------------------------------------
>
>                 Key: OPENJPA-2234
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-2234
>             Project: OpenJPA
>          Issue Type: Bug
>    Affects Versions: 2.0.1
>         Environment: - JDK 1.5
> - Spring 3.1.1.RELEASE
> - Spring Data JPA 1.1 GA (issue confirmed on version 1.0.3)
> - Atomikos 3.7.0
> - OpenJPA 2.0.1
> - DB2 9.7
>            Reporter: Erik Kis
>
> While working with Spring Data, we came across a potential bug in OpenJPA.
> The bug was provoked by a query lookup module in Spring Data JPA, but it has its roots
in AbstractBrokerFactory class, which seems to require transaction existence in order to create
EntityManager (which is contrary to JPA spec).
> I have already been in touch with Spring Data JPA author (where I filed a bug against
Spring Data JPA) who actually pointed me to file a bug here.
> I have extensively documented my findings on this thread (http://stackoverflow.com/questions/10688040/spring-data-jpa-fails-to-invoke-jtatransactionmanager),
so I'll rather post the link, instead of repeating the whole thing here.
> All that being said, I am not entirely sure what actually happened and am no authority
whatsoever on JPA spec.

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