SAP Knowledge Base Article - Preview

3528132 - ESI - "One or more mandatory SOAP header blocks not understood" error

Symptom

  • When consuming a web service from ABAP, the following error occurs at SRT_LOG:
    • One or more mandatory SOAP header blocks not understood
  • The XML payload sent by the web service consumer contains an entry on the SOAP header with attribute soap:mustUnderstand="1"


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Environment

  • ABAP Web Services
  • SAP NetWeaver
  • SAP NetWeaver Application Server for SAP S/4HANA
  • ABAP PLATFORM - Application Server ABAP

Product

ABAP platform all versions ; SAP NetWeaver all versions ; SAP Web Application Server for SAP S/4HANA all versions

Keywords

Webservice, Web Service, Webservices, Web Services, ESI, ESI_GDPR , KBA , BC-ESI-WS-ABA , Web Service and SOAP - ABAP , BC-ESI-WS-ABA-RT , WebServices ABAP Runtime , Problem

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