pm-descriptors
Specifies one or more persistence manager descriptors, but only one of
them must be in use at any given time. If none are specified, the Sun
CMP persistence manager is used.
http://docs.sun.com/source/817-5049/decmp.html#wp37792
pm-inuse defines whether its in-use or not
http://docs.sun.com/source/817-6087/dgdesc.html#wp91606
Martin Gainty
______________________________________________
Verzicht und Vertraulichkeitanmerkung/Note de déni et de confidentialité
Diese Nachricht ist vertraulich. Sollten Sie nicht der vorgesehene Empfaenger sein, so bitten wir hoeflich um eine Mitteilung. Jede unbefugte Weiterleitung oder Fertigung einer Kopie ist unzulaessig. Diese Nachricht dient lediglich dem Austausch von Informationen und entfaltet keine rechtliche Bindungswirkung. Aufgrund der leichten Manipulierbarkeit von E-Mails koennen wir keine Haftung fuer den Inhalt uebernehmen.
Ce message est confidentiel et peut être privilégié. Si vous n'êtes pas le destinataire prévu, nous te demandons avec bonté que pour satisfaire informez l'expéditeur. N'importe quelle diffusion non autorisée ou la copie de ceci est interdite. Ce message sert à l'information seulement et n'aura pas n'importe quel effet légalement obligatoire. Étant donné que les email peuvent facilement être sujets à la manipulation, nous ne pouvons accepter aucune responsabilité pour le contenu fourni.
> From: pmancheno_at_gmail.com
> To: users_at_glassfish.dev.java.net
> Date: Sun, 6 Sep 2009 10:40:12 -0500
> Subject: How do I can use more than one Persistence Unit in Glassfish v3?
>
> Hi friends.
>
> How do I can use more than one Persistence Unit in Glassfish v3?
>
> I am using Glassfishv3 (with Netbeans6.8M1) and I wanna use more than one
> persistence unit, my persistence.xml is:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
> http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
> <persistence-unit name="VoiceMailProvider-ejbPU" transaction-type="JTA">
> <jta-data-source>jdbc/__PostgreSqlPool</jta-data-source>
> <class>org.pepo.entidades.etapa.Arquitectura</class>
> <class>org.pepo.entidades.etapa.Comando</class>
> <exclude-unlisted-classes>true</exclude-unlisted-classes>
> <properties/>
> </persistence-unit>
> <persistence-unit name="Asterisk-ejbPU" transaction-type="JTA">
> <jta-data-source>jdbc/__Asterisk</jta-data-source>
> <class>org.pepo.entidades.otherDB.VoicemailUsers</class>
> <exclude-unlisted-classes>true</exclude-unlisted-classes>
> <properties/>
> </persistence-unit>
> </persistence>
>
> When I had just one PU then I wrote in my EJB:
>
> @PersistenceContext(name="FirstDB-ejbPU")
> private EntityManager em;
>
> And everything was ok, now I am trying with:
>
> @PersistenceContext(name="FirstDB-ejbPU")
> private EntityManager em_FirstDB;
> @PersistenceContext(name="SecondDB-ejbPU")
> private EntityManager em_SecondDB;
>
> But I receive the exception in the attach. I thing that there is something
> wrong when I create the new entity because it try to use the first Persistence
> Unit.
>
> How do I can use more than one Persistence Unit in Glassfish v3?
>
> A lot of thaks.
>
_________________________________________________________________
Windows Live: Make it easier for your friends to see what you’re up to on Facebook.
http://windowslive.com/Campaign/SocialNetworking?ocid=PID23285::T:WLMTAGL:ON:WL:en-US:SI_SB_facebook:082009