Well it *should* mean that the EM in question was created outside the scope
of a transaction. The JPA spec says that in cases of an
application-managed PC where the EM is created outside the scope of the JTA
txn, the provider should not automatically join the EM to any JTA txn later
implicitly. Instead the expectation is for the application to explicitly
join the EM to the transaction via the EM.joinTransaction method:
<quote>
When a JTA application-managed entity manager is used, if the entity
manager is created outside the
scope of the current JTA transaction, it is the responsibility of the
application to join the entity manager
to the transaction (if desired) by calling EntityManager.joinTransaction.
If the entity man-
ager is created outside the scope of a JTA transaction, it is not joined to
the transaction unless Entity-
Manager.joinTransaction is called.
</quote>
Note this behavior was made somewhat controllable in JPA 2.1 with the
introduction of SynchronizationType.
I'd have to refresh my memory on the expectation here wrt container-managed
PCs. So that would be my first question to you of the situation... Is this
a app or container managed PC?
It is odd that they see a "local database transaction" instead though. You
sure this isn't a series of auto-commit transactions?
On Thu, Aug 14, 2014 at 10:23 AM, Scott Marlow <smar...@redhat.com> wrote:
> I'm trying to help a user [1] that is complaining that a local database
> transaction is used, instead of the JTA transaction as they expect. I
> asked them to enable TRACE logging for { org.jboss.jca, org.hibernate,
> org.jboss.as.jpa + com.arjuna} and see the "Skipping JTA sync
> registration due to auto join checking" log message.
>
> What does the "skipping JTA sync registration due to auto join checking"
> mean exactly? [2] shows a small example of the log output with an
> active JTA transaction in use.
>
> Scott
>
>
> [1] https://issues.jboss.org/browse/WFLY-3619 XA END / un-enlist for
> database connection called to early
>
> [2] http://fpaste.org/125603/80296401/
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> hibernate-dev mailing list
> hibernate-dev@lists.jboss.org
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