Download the libraries from the SAP download site (https://support.sap.com/en/product/connectors/jco.html).
When using SAP JCo 3.1, itfs necessary to install a special library. Refer to the SAP download site.
Installation procedure
For Windows
Stop DataSpiderServer and DataSpider Studio.
Copy sapjco3.jar to the $DATASPIDER_HOME/server/system/common/lib directory.
Copy sapjco3.dll to the $DATASPIDER_HOME/server/bin directory.
Start DataSpiderServer and DataSpider Studio.
For Linux
Stop DataSpiderServer and DataSpider Studio.
Copy sapjco3.jar to the $DATASPIDER_HOME/server/system/common/lib directory.
Copy libsapjco3.so to the $DATASPIDER_HOME/server/system/common/lib directory.