Chapter 8. Selecting the JTA Implementation

Two variants of the JTA implementation are provided and accessible through the same interface. These are:

A local JTA, which only allows non-distributed JTA transactions to be executed. This is the only version available with the JBoss Transaction Service.
A remote, CORBA-based JTA, which allows distributed JTA transactions to be executed. This version is only available with the ArjunaJTS product and requires a supported CORBA ORB.

Both of these implementations are fully compatible with the transactional JDBC driver provided with the JBoss Transaction Service.

In order to select the local JTA implementation it is necessary to perform the following steps:

Set the com.arjuna.ats.jta.jtaTMImplementation property to com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionManagerImple.
Set the com.arjuna.ats.jta.jtaUTImplementation to com.arjuna.ats.internal.jta.transaction.arjunacore.UserTransactionImple.

These settings are the default values and do not need to be set to use the local implementation.

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