Symptom
The service is available and accessible via direct access to the back-end system, however the HTTP error 503 Service not available appears when accessing via Web Dispatcher.
When reproducing the issue with Web Dispatcher (dev_webdisp) trace level set to 2 or 3, following entries are found:
[Thr 0] IcrFindTargetSystem: No system found for <url / vhost / path>
[Thr 0] HttpGetRouteTargetSystem: no system available, rc=-2
[Thr 0] No target system found
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Environment
- SAP Web Dispatcher
- Operating System independent
- Database independent
- SAP NetWeaver
- SAP Web Application Server for SAP S/4HANA
- ABAP Platform
Product
ABAP platform all versions ; SAP NetWeaver all versions ; SAP Web Application Server for SAP S/4HANA all versions
Keywords
wdisp/system, icm/HTTP/mod, SRCSRV, SRCVHOST, SRCURL, 503 Service not available, Not Reachable , KBA , BC-CST-WDP , Web Dispatcher , BC-MID-SCC , SAP Cloud Connector On-Demand/On-Premise Connectivity , Problem
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