SAP JCo Scenario: J2EE/ABAP Coupling (SAP Web
AS)
In the SAP Web Application Server (SAP_BASIS), you can work both in a Java environment and in an ABAP environment. Communication between these components is established by the SAP JCo. Figure 1 shows an overview of the architecture of the SAP Web AS with the SAP Java Connector as the interface between the Java and the ABAP environment:
Figure 1: J2EE/ABAP Coupling in the SAP Web AS using SAP JCo
Data
transfer between SAP JCo and the ABAP environment is performed by means of RFC (with
gateway
communication by means of
CPI-C):
Figure 2: Communication between ABAP and J2EE (SAP Web AS) using CPI-C/fRFC.
Related Information
For an overview of the architecture of the SAP J2EE Engine in the SAP Web Application Server, see: