Using two different datasource driver into a transaction

Hi all,
i have two database : one under Informix and another under Oracle.
Well, well, i have declared two datasources in my apllicationserver ( Sun ONE 7).
I have to use a session EJB to write into the two databases some data and i have to open an UserTransaction to deal with it.
The flow is :
- open the UserTransaction
- Get the connection from the first datasource
- launch the INSERT query in Informix
- Get the connection from the second datasource
- launch the INSERT query in Oracle
My doubt is : Will the transaction work fine even if i have to use two different connection from two different datasources ?
Using only one database the transaction work fine.
Cheers.
Stefano

Hi,
This will work correctly if you use XA drivers (XADataSource instances).
You can check the vendor docs to see what exact classes you need to deploy for each database.
Beware of the pitfall: if you don't use XA drivers then commit might very well appear to work, but rollback won't.
Also, don't forget to close the connections.
Hope that helps,
Guy
Atomikos TransactionsJTA - visit our new JTA forum at http://www.atomikos-support.com

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Using two different datasource driver into a transaction

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