SAP Knowledge Base Article - Preview

3006220 - Error when opening an RFC connection from ABAP environment - 400 Bad Request

Symptom

Connection from the ABAP environment to on-premise systems fail with:

Error when opening an RFC connection (Timed out waiting for tunnel to open for tunnelId account:///...)

Cloud Connector log (ljs_trace) contains the following messages/error:

#INFO#com.sap.core.connectivity.tunnel.client.handshake.ClientProtocolHandshaker#tunnel-client-33-9##Sending handshake request for tunnel: account:///<subaccountID> and host <host>.abap.<region>.hana.ondemand.com:443|
...
#ERROR#com.sap.core.connectivity.tunnel.client.notification.NotificationClientEventHandler#Thread-245##Unable to open tunnel connection: Invalid status of handshake response: 400 Bad Request|


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Environment

  • SAP Cloud Platform, ABAP environment
  • SAP Cloud Connector

Product

SAP BTP, ABAP environment all versions

Keywords

scc scp , KBA , BC-CP-CON-ABAP , ABAP Cloud to On-premise Connectivity service , BC-MID-SCC , SAP Cloud Connector On-Demand/On-Premise Connectivity , Problem

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