Understanding Transaction Management
The transaction management contracts specified in the JCA specifications are system-level interfaces between the application server and the EIS. A resource adapter is expected to support the transaction contracts used by the application server to manage transactions across resource managers (EIS). An EIS can support two types of transactions:
Java Transaction API (JTA) or X/Open's transaction demarcation protocol (XA) transactions—Transactions controlled and coordinated by an external transaction manager such as BEA Tuxedo
Resource Manager (RM) local transactions—Transactions managed entirely by the EIS
A transaction manager, which is part of the application server, manages/coordinates transactions across multiple ...
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