Jakarta Connectors 2.1
· This feature enables the configuration of resource adapters to access Enterprise Information Systems (EIS) from applications. The configuration of a resource adapter also includes the configuration of connection factories, administered objects and activation specifications. Any resource adapter that complies with the Jakarta Connectors 2.1 specification or lower can be used. High performance connection pooling is also provided.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window connectors-2.1-23.0.0.8.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.