Q&A

Q1:What is the role of a resource adapter in the J2EE Connector architecture?
A1: A resource adapter is a software driver that acts as a bridge between an EIS and a J2EE container. The J2EE Connector architecture specification defines the relationship between the EIS and an application server through the system contract. The system contract dictates the responsibilities of both parties with regard to connection pooling, transaction management, and security. These operations are transparent to application components, which simply invoke functions on the EIS via an API exposed by the resource adapter.
Q2:I have a connection to an EIS, but I can't invoke its functions. What am I missing?
A2: After you establish a connection to an EIS, you must ...

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