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3220463 - HTTP Codes "502 invalid response" or "504 : Gateway Time-out"

Symptom

After calling a webservice which is transferred more than 1 minute, it failed with error below in SRT_UTIL
SRT: Unsupported xstream found: ("HTTP Code 504  : Gateway Time-out")

The "504 Gateway Time-out" message can also be returned while accessing SAP through the browser (e.g., Fiori, WebGUI, ...).

Another possible message is:

"502 - Web server received an invalid response while acting as a gateway or proxy server.

There is a problem with the page you are looking for, and it cannot be displayed. When the Web server (while acting as a gateway or proxy) contacted the upstream content server, it received an invalid response from the content server."


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Environment

  • SOAMANAGER
  • 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

Keywords

504 Gateway Timeout, 60s, proxy, 502 Bad Gateway, Bad Gateway, http 502 , KBA , BC-CST-IC , Internet Communication Manager , BC-ESI-WS-ABA , Web Service and SOAP - ABAP , BC-CST-WDP , Web Dispatcher , Problem

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