2650368 - SAP Cloud Connector High Availability scenario does not work - HTTPException - 502: Bad Gateway

Symptom

SAP Cloud Connector High Availability scenario does not work properly.

With the Source* instance, the iFlow is working fine from Cloud Integration to backend system via SAP Cloud Connector, but when the Replica* instance becomes the Source*, the Cloud Integration message flow fails with the following exception in the Cloud Integration logs:

[...]
#ERROR#org.apache.camel.processor.FatalFallbackErrorHandler##anonymous#default-workqueue-1#na#***#***iflmap#web##na#na#na#na#\\--> New exception on exchangeId: ID-vsa3637543-60033-1523659278049-5-251org.apache.cxf.interceptor.Fault: Could not send Message.
[...]
Caused by: org.apache.cxf.transport.http.HTTPException: HTTP response '502: Bad Gateway' when communicating with <XXXXXX>
[...]

Environment

SAP Cloud Connector
SAP Cloud Integration

Product

Cloud Integration 4.0 ; SAP Connectivity service 2.0

Keywords

SAP Cloud Connector, High Availability, HTTPException, 502: Bad Gateway, 502 Bad Gateway, '502: Bad Gateway', FatalFallbackErrorHandler , KBA , master , shadow , BC-MID-SCC , SAP Cloud Connector On-Demand/On-Premise Connectivity , BC-NEO-CON , Neo to On-premise Connectivity service , Problem

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