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Date: Tue, 20 Apr 2010 08:54:22 -0500
Message-ID: <y2lf8b633141004200654w3d20155kcb4628c839d96e52@mail.gmail.com>
Subject: Re: OpenJPA without jta-data-source in persistence xml
From: Rick Curtis <curtisr7@gmail.com>
To: users@openjpa.apache.org
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Per the JPA 1.0 spec:

"The transaction-type attribute is used to specify whether the entity
managers provided by the
entity manager factory for the persistence unit must be JTA entity managers
or resource-local entity
managers. The value of this element is JTA or RESOURCE_LOCAL. A
transaction-type of JTA
assumes that a JTA data source will be provided=97either as specified by th=
e
jta-data-source element
or provided by the container. In general, in Java EE environments, a
transaction-type of
RESOURCE_LOCAL assumes that a non-JTA datasource will be provided. In a Jav=
a
EE environment, if
this element is not specified, the default is JTA. In a Java SE environment=
,
if this element is not specified,
a default of RESOURCE_LOCAL may be assumed."

Although I can't say for certain whether or not OpenJPA tries to do
something tricky to allow this. Maybe someone else on the list will have
more info.

--=20
Thanks,
Rick

On Tue, Apr 20, 2010 at 4:32 AM, BenBrott <mattias.ostlund@netent.com>wrote=
:

>
> I have not been able to make OpenJPA 1.2 work in Glassfish 2.1.1 without
> having a jta-data-source referenced in persistencexml. So this
> persistence.xml does not work because of no jta-datasource (default
> datasource in Glassfish is used instead of my setup):
>
> <persistence version=3D"1.0" >
>        <persistence-unit name=3D"entityManager" transaction-type=3D"JTA">
>
> <provider>org.apache.openjpa.persistence.PersistenceProviderImpl</provide=
r>
>                <class>domain.Player</class>
>                <class>domain.Account</class>
>                <properties>
>                        <property name=3D"openjpa.ConnectionURL"
> value=3D"jdbc:jtds:sqlserver://localhost:1433/DB1" />
>                        <property name=3D"openjpa.ConnectionDriverName"
> value=3D"net.sourceforge.jtds.jdbc.Driver" />
>                        <property name=3D"openjpa.ConnectionUserName"
> value=3D"DB1" />
>                        <property name=3D"openjpa.ConnectionPassword"
> value=3D"DB1" />
>                </properties>
>        </persistence-unit>
> </persistence>
>
> This works better:
> <persistence version=3D"1.0" >
>        <persistence-unit name=3D"entityManager" transaction-type=3D"JTA">
>
> <provider>org.apache.openjpa.persistence.PersistenceProviderImpl</provide=
r>
>                <jta-data-source>DB1_Datasource</jta-data-source>
>                <class>domain.Player</class>
>                <class>domain.Account</class>
>                <properties>
>                </properties>
>        </persistence-unit>
> </persistence>
>
> So I am trying to use container managed transactions from EJB3 stateless
> beans using OpenJPA as persistence provider. The reason why I try to use
> the
> openjpa.ConnectionURL configuration is because I want to use Slice in
> OpenJPA.
> --
> View this message in context:
> http://n2.nabble.com/OpenJPA-without-jta-data-source-in-persistence-xml-t=
p4930234p4930234.html
> Sent from the OpenJPA Users mailing list archive at Nabble.com.
>

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