Re: Distribuited transaction in a stand-alone application
On 18.04.2008 18:59, Andrea Francia wrote:
I'm working on Java stand-alone application (not designed to run in an
application server) which uses two databases.
In some point the application do the following operations:
- modify some data in database A
- modify some other data in database B
I want that these two operation are executed in atomic way: both fail or
What is the name of this problem? Is Distributed transaction?
Distributed transactions are a solution to the problem (ensuring data
consistency across multiple resources). OpenGroup calls them "XA
Transaction". (btw, you can download documents from their site if you
want to have a look for yourself)
What tools I should use to solve it (in a standalone application)?
Where can I find information about this?
As Arne said, you need a TX manager. You can use the one which is
typically part of a JEE container, you can use an external one or you
can use a TX manager that you can embed (as a lib).
But you should rather not write your own. XA processing is quite
complex and I have seen at least two established TX managers with
issues. Devil in the details...
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