SAP Knowledge Base Article - Preview

2743935 - WDA: "500 Internal server error" when front-end and back-end host names are the same

Symptom

Web Dynpro ABAP application throws "500 Internal server error" when front-end and back-end host names are the same


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Environment

  • Web Dynpro for ABAP
  • SAP NetWeaver
  • SAP NetWeaver Application Server for SAP S/4HANA
  • ABAP PLATFORM - Application Server ABAP 
  • Front-end and back-end system with same host name but different ports

Product

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

Keywords

Web Dynpro, Webdynpro, Web Dynpro ABAP, WDA, WDA_GDPR, lazy port checking, web dispatcher, same host, front-end, frontend, FE, back-end, backend, BE, port switching, Netweaver, 500 Internal server error , KBA , BC-WD-ABA , Web Dynpro ABAP , BC-CST-WDP , Web Dispatcher , Problem

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