You don't need to specify the unitName in @PersistenceContext if there
is only one PersistenceUnit defined in the scope of the component which
is using @PersistenceContext, otherwise you need to specify it.
Sahoo
glassfish_at_javadesktop.org wrote:
> Hi,
>
> I am trying to create a new app in Glassfish V3 with JSF2, et al. To get access to an entity manager the following code seems to be used by most of the examples.
>
> @PersistenceContext(unitName="abc")
> EntityManager em;
>
> Where the abc persistence unit is defined in a persistence.xml file.
>
> How can I define a default persistent unit to be used so that I can write code like
>
> @PersistenceContext
> EntityManager em;
>
> It's important that I don't hard wire the unitName in the code as some of these a relibraries that will be used by multiple applications.
>
> Once again any help would be much appreciated.
>
> Regards.
> [Message sent by forum member 'arshadm' (arshadm_at_compuvision.co.uk)]
>
> http://forums.java.net/jive/thread.jspa?messageID=365952
>
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