2822480 - SOCKS5 proxy connectivity errors in SAP Business Technology Platform (BTP)

Symptom

Access to On-Premise systems via the SAP BTP Connectivity SOCKS5 proxy TCP-based protocol fails with SOCKS: Network unreachable error:

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Caused by: org.hibernate.exception.GenericJDBCException: Could not open connection
Caused by: com.sap.db.rte.comm.RTEException: Cannot connect to host [SOCKS: Network unreachable] None of the hosts could be reached: [Cannot connect to host <hostname> SOCKS: Network unreachable Unexpected error occurred in scheduled task
Caused by: java.lang.IllegalStateException: Problem while retrieving configuration
Caused by: com.sap.core.connectivity.apiext.impl.configuration.DestinationConfigurationException: Error while reading destination configuration with name < destination name >
Caused by: java.net.SocketException: SOCKS: Connection not allowed by ruleset
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Or SocksClientError: Socks5 proxy rejected connection

Environment

SAP BTP Connectivity Service

Product

SAP Business Technology Platform all versions ; SAP Connectivity service 2.0

Keywords

socks5, proxy, could not open connection, network unreachable, rejected connection, socksclienterror, destination configuration , KBA , BC-CP-CON , Cloud to On-premise Connectivity service , BC-CP-DEST , Destination service , Problem

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