Anne Thomas wrote:
> The EJB spec requires the EJB Server to provide support for distributed
> transactions, but that doesn't mean that the EJB server has to support 2PC
> operations across heterogeneous data sources. Only a handful of EJB servers
> provide an integrated distributed transaction coordinator: Inprise AS,
> OrchidSoft Vanda, NetDynamics 5.0 (I think), Component Broker (I think),
> GemStone/J (I think). Most EJB servers rely on the database to coordinate
> distributed database transactions -- which limits you to homogeneous
> transactions (e.g., only Oracle or only Sybase).
GemStone/J does include an integrated distributed transaction coordinator -
a CORBA OTS, supporting use of transactional resources that implement the
org.omg.CosTransactions.Resource interface, and including resources for
JDBC databases and GemStone/J's own persistent store.
Marc San Soucie
GemStone Systems, Inc.
Beaverton, Oregon
[EMAIL PROTECTED]
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