This is known problem in WAS. The reason is data source created in WAS is
always enlisted in the current global transaction, therefore RESOURCE_LOCAL
persistence unit using WAS data source triggers the observed behavior.

This limitation will be corrected in the WAS EJB3 Feature Pack and future
releases.

Immediate solution is not to specify the non-jta-data-source in the
persistence unit but replace with connection information using properties
 openjpa.ConnectionUserName
 openjpa.ConnectionPassword
 openjpa.ConnectionURL
 openjpa.ConnectionDriverName

It is not the ideal solution, but functional.

Albert Lee

On 2/16/07, Patrick Linskey <[EMAIL PROTECTED]> wrote:

Hi,

It looks like the new WebSphere transaction manager lookup code is
missing some functionality available elsewhere.

See OPENJPA-149 (https://issues.apache.org/jira/browse/OPENJPA-149) and
OPENJPA-153 (https://issues.apache.org/jira/browse/OPENJPA-153) for
details.

The key problems are:

OPENJPA-149: the WASManagedRuntime class throws exceptions on some
methods, preventing OpenJPA from being able to suspend transactions

OPENJPA-153: even when specifying a non-JTA data source, the data source
returned does not allow commits. It does seem like the behavior of the
data source is at least a bit different than the JTA data source, since
OpenJPA is able to call setAutoCommit().

These seem like usability issues with WAS. I'm hoping that someone with
more WAS knowledge than me can resolve the issues easily. Any takers?

-Patrick

--
Patrick Linskey
BEA Systems, Inc.

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