[jboss-user] [JCA/JBoss] - Re: Problem looking up XADatasource - Always returns Datasou
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Mon Oct 27 12:21:37 EDT 2008
"pradeeps" wrote :
| The connection that is gotten from this datasource is going to participate in a distributed transaction with JMS XA QueueConnectionFactory. I am using the Atomikos JTA API.
| This distributed TX will happen only if both the resources support XA.
| Are you recommending that I create the XADataSource object in my code and not look up using JNDI?
I assume that you must have Atomikos TM configured with the JBoss.Now when you are getting the connection from the xa-datasource the jca framework will transparently enlist the connection associated with the datasource in the ongoing transaction.
Here is the psuedo code :
UserTransaction utx = (UserTransaction) ctx.lookup("UserTransaction");
| Getting JMS XA QueueConnectionFactory from JNDI
| Getting JMS session which will also enlist the corresponding XAResource in the ongoing TX
| DataSource ds = (DataSource) ctx.lookup("java:/pxDS");
| Connection con = ds.getConnection(); // Here JCA will enlist the connection(precisely XAResource) in ongoing JTA transaction transparently.
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