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2735676 - SAP Cloud Connector - TunnelHandshakeException: Timed out while waiting for response from server


SAP Cloud Connector(SCC) connection to SAP BTP Cloud Platform does not work, and upon checking SCC ljs_trace.log it shows following entries:

   2018-10-30 15:55:30,306 #Received "open tunnel event" message (packet type: 1) for tunnel id account:///<subaccount> and hostId <XXXXXXXXX>|

   2018-10-30 15:55:30,307 #Allowed access for tunnel with id 'account:///<subaccount>' and attributes: 'applicationType:JAVA, applicationAccount:sci, applicationName:proxy'|
   2018-10-30 15:55:30,308 #Connecting to address using proxy /<IP of the proxy>:3128. Proxy user is |
   2018-10-30 15:55:30,309 #Waiting the handshake with tunnel server to complete for tunnel ID: account:///<subaccount>|
   2018-10-30 15:55:30,313 #Successfully connected channel: [id: 0xdf3d9281, L:/<IP of the on-premise host>:11529 - R:/<IP of the proxy>:3128]. Starting handshake with tunnel server for tunnel ID: account:///<subaccount>|
   2018-10-30 15:56:30,319 #Tunnel handshake failed! Closing the tunnel channel immediately Timed out while waiting for response from server for tunnel ID: account:///<subaccount>

Note: Proxy port 3128 depends on the proxy solution your network is using, therefore it may vary.



  • SAP BTP Cloud Platform;
  • SAP Cloud Connector(SCC) release independent;
  • Third-party proxy mechanism.


SAP Business Technology Platform all versions ; SAP Cloud Identity Services all versions ; SAP Connectivity service all versions


proxy, SAP Cloud connector, cloud connector, TunnelHandshakeException, Timed out while waiting for response from server, Tunnel handshake failed!, Closing the tunnel channel immediately, Tunnel handshake failed, proxy, router, route, , KBA , BC-MID-SCC , SAP Cloud Connector On-Demand/On-Premise Connectivity , Problem

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