Repositories in the SAP Java Connector (JCo)

  • by Thomas G. Schuessler, Founder, ARAsoft
  • March 15, 2003
The SAP Java Connector (JCo) is the premier middleware for connecting non-SAP components written in Java to ABAP-based SAP systems like R/3. The non-SAP components can be clients (Java calls ABAP) or servers (ABAP calls Java). In both cases, you need a repository object that represents the metadata (parameters and exceptions) for the functions to be invoked. Using JCo repositories properly is a key contributor to stable and performance-optimized applications. This article shows you how.

Thomas G. Schuessler

Thomas G. Schuessler is the founder of ARAsoft (, a company offering products, consulting, custom development, and training to a worldwide base of customers. The company specializes in integration between SAP and non-SAP components and applications. ARAsoft offers various products for BAPI-enabled programs on the Windows and Java platforms. These products facilitate the development of desktop and Internet applications that communicate with R/3. Thomas is the author of SAP’s BIT525 “Developing BAPI-enabled Web Applications with Visual Basic” and BIT526 “Developing BAPI-enabled Web Applications with Java” classes, which he teaches in Germany and in English-speaking countries. Thomas is a regularly featured speaker at SAP TechEd and SAPPHIRE conferences. Prior to founding ARAsoft in 1993, he worked with SAP AG and SAP America for seven years.

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