Java EE Connector Architecture
Java EE Connector Architecture (JCA) is a Java-based technology solution for connecting application servers and enterprise information systems (EIS) as part of enterprise application integration (EAI) solutions. While JDBC is specifically used to connect Java EE applications to databases, JCA is a more generic architecture for connection to legacy systems (including databases). JCA was developed under the Java Community Process as JSR 16 (JCA 1.0) and JSR 112 (JCA 1.5). As of 2006[update], the current version of JCA is version 1.5. J2EE Version 1.3 required application servers to support Version 1.0 of the J2EE Connector Architecture (JCA). The J2EE Connector Architecture defines a standard for connecting a compliant application server to an EIS. It defines a standard set of system-level contracts between the J2EE application server and a resource adapter. The system contracts defined by Version 1.
