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2562895 - ERROR => forbidden protocol upgrade to websocket

Symptom

We can see the following entries in web dispatcher traces (dev_webdisp):

[Thr 47987477788416] *** ERROR => forbidden protocol upgrade to websocket {00068cac} [http_plg.c 6420]
[Thr 47987477788416] *** ERROR => HttpPlugInHandleNetData: HttpParseRequestHeader failed (rc=701) [http_plg.c   2209]


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Environment

SAP Web Dispatcher 749

Keywords

icm/HTTP/support_websocket_upgrade, forbidden protocol upgrade to websocket, web dispatcher 749 , KBA , BC-CST-WDP , Web Dispatcher , BC-CST-IC , Internet Communication Manager , Problem

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