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From "Erik Kis (JIRA)" <>
Subject [jira] [Created] (OPENJPA-2234) EntityManager instance creation needs TX activity
Date Thu, 19 Jul 2012 10:07:34 GMT
Erik Kis created OPENJPA-2234:

             Summary: EntityManager instance creation needs TX activity
                 Key: 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 it roots in AbstractBrokerFactory
class, which seems to requires 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 (,
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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