Symptom
- 503 Service not available error returns in browser directly, when access any URLs for the specific target back-end system via SAP Web Dispatcher. In the level 2 trace file (dev_webdisp), the following can be seen:
[Thr 9256] PlugInStopConn: role: Server(1), error: Tenant runlevel stopped(-54), write_err: 1 |
- Section "Backend System Configuration Info" from the Web Admin interface of the WDP shows the system in yellow status, and on the WDP trace file following warnings are written continuously:
[Thr 140509929654016] *** WARNING => Failed to read group info for system <SID>(ABAP,HTTP): Redirect response received(-64) [icrxx.c 3745] |
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Environment
- SAP Web Dispatcher as of kernel release 745
- Operating system independent
- Database independent
- SAP NetWeaver
- SAP Web Application Server for SAP S/4HANA
- ABAP Platform
Product
Keywords
503 Service not available, SAP Web Dispatcher, dev_webdisp, Tenant runlevel stopped(-54), HTTP/1.0 503 Service Unavailable, x-sap-icm-err-id: ICMERUNLEVELSTOPPED, wdisp/system, RUNLEVEL, icm/internal_request_criteria, wdisp/auto_refresh, Running, Stopped, /sap/public/icman/ping, /sap/public/icf_info/icr_groups?version=2.2, SSL_ENCRYPT, CONFIG_PROTOCOL, wdisp/group_info_protocol, checkconfig, ERROR: unexpected OK code: 302, icm/HTTP/redirect_X, ERROR: unexpected OK code: 403, /sap/public/icf_info/icr_urlprefix, SICF , KBA , BC-CST-WDP , Web Dispatcher , BC-CST-IC , Internet Communication Manager , Problem
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