2951815 - HTTP response '400: Bad Request' when communicating CPI and ERP

You are observing the following errors in the CPI traces connecting your tenant with your ERP using the SuccesFactors standard packages:

• org.apache.cxf.interceptor.Fault: Could not generate the XML stream caused by: com.ctc.wstx.exc.WstxIOException: Error writing request body to server., cause: java.io.IOException: Error writing request body to server
• org.apache.cxf.interceptor.Fault: Could not send Message., cause: org.apache.cxf.transport.http.HTTPException: HTTP response '400: Bad Request' when communicating with http://YOUR_ERP:port/sap/bc/srt/scs/sap/WEBSERVICE?sap-client=100

In the SMICM, you can find error like

Error 01:

• [Thr xxxx] *** ERROR => illegal chunk request {000413db} [http_XXXXX xxxx]

Error 02:

• [Thr xxxxx] *** ERROR => request too big (chunked data) {0025d40e} {root-id=xxxxxx} [http_XXXX xxx]

• SAP SuccessFactors Employee Central Integration to SAP Business Suite
• Standard packages in CPI

org.apache.cxf.interceptor.Fault: Could not generate the XML stream caused by: com.ctc.wstx.exc.WstxIOException: Error writing request body to server., cause: java.io.IOException: Error writing request body to server, org.apache.cxf.interceptor.Fault: Could not send Message., cause: org.apache.cxf.transport.http.HTTPException: HTTP response '400: Bad Request' when communicating with http://YOUR_ERP:port/sap/bc/srt/scs/sap/WEBSERVICE?sap-client=100, [Thr xxxx] *** ERROR => illegal chunk request {000413db} [http_XXXXX xxxx], CPI, ERP, SAP SuccessFactors Employee Central Integration to SAP Business Suite, SMICM, standard packages in SAP Cloud Platform integration connectong SuccessFactors with ERP, request too big (chunked data) , KBA , LOD-SF-INT-CPI , Standard SF to 3rd Party CPI (HCI) Content , LOD-SF-INT , Integrations , LOD-SF-INT-CPI-ERP , Standard SF to SAP ERP or S/4HANA Integration using CPI , How To