2498431 - CPI connecting with SAP ERP error HTTP response '503: Service Unavailable'

Configuring your CPI standard artifacts (examples below) for the 1st time you received the HTTP 503 errors in some of these packages:

• Replicate Employee Master Data and Org. Assignments from SAP SuccessFactors Employee Central to SAP ERP or SAP S4HANA
• Replicate Organizational Assignments from SAP SuccessFactors Employee Central to SAP ERP or SAP S4HANA
• Replicate Organizational Objects from SAP SuccessFactors Employee Central to SAP ERP or SAP S4HANA
• Replicate Employee Master Data from SAP SuccessFactors Employee Central to SAP ERP or SAP S4HANA

Sample errors:

org.apache.cxf.interceptor.Fault: Could not send Message., cause: org.apache.cxf.transport.http.HTTPException: HTTP response '503: Service Unavailable' when communicating with http://xxxxSAPonpremxxx:8000/sap/bc/srt/scs/sap/employeemasterdatabundlereplic?sap-client=100&MessageId=xxxxxxx

org.apache.cxf.interceptor.Fault: Could not send Message., cause: org.apache.cxf.transport.http.HTTPException: HTTP response '503: Service Unavailable' when communicating with http://xxxxSAPonpremxxx:8000/sap/bc/srt/scs/sap/employeeorgassignmreplrequest?sap-client=100&MessageId=xxxxxxxx

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.

• SAP Cloud Integration (CPI, formerly HCI)
• SAP BTP (formerly SCP)
• SuccessFactors Employee Central integration
• CPI standard artifacts

SuccessFactors Employee Central integration, 'Service Unavailable', HTTP response '503', Hana Cloud Integration (HCI or CPI), org.apache.cxf.interceptor.Fault: Could not send Message., cause: org.apache.cxf.transport.http.HTTPException, employeeorgassignmreplrequest, employeemasterdatabundlereplic, SOAMANAGER , KBA , LOD-SF-INT-CPI-ERP , Standard SF to SAP ERP or S/4HANA Integration using CPI , BC-MID-SCC , SAP Cloud Connector On-Demand/On-Premise Connectivity , BC-NEO-CON , Neo to On-premise Connectivity service , LOD-HCI-PI-RT , Integration Runtime , Problem