3624179 - Messaging to an on-premise backend system fails with statusCode: 503

Symptom

You use SAP Cloud Platform Integration(CPI) to help transfer messages to an on-premise system via SAP Cloud Connector.

You notice the message processing fails with the following error shown in CPI monitoring UI:

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Error Details

com.sap.it.rt.adapter.http.api.exception.HttpResponseException: An internal server error occured: HTTP operation failed invoking http://<detination host>:<port>/<service> with statusCode: 503. The MPL ID for the failed message is : *****

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By enabling the log level of the target iFlow to INFO, you will see the corresponding outbound call has a response body like the following:

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There is no SAP Cloud Connector (SCC) connected to your subaccount matching the requested tunnel for subaccount <ID>; and SCC location ID, with default value, that is empty string or simply not configured. Check the configuration on SCC and cloud side.

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Environment

SAP Cloud Platform Integration
SAP Cloud Connector release independent

Product

Cloud Integration all versions ; SAP Connectivity service all versions

Keywords

connectivitynotification; connection timed out; 503; internal server error; cloud connector; SCC; Cloud Integration; , KBA , LOD-HCI-PI-CON-HTP , HTTP Adapter , BC-MID-SCC , SAP Cloud Connector On-Demand/On-Premise Connectivity , Problem

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