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2679285 - Unable to open connection to backend system - UnresolvedAddressException - SAP Cloud Connector

Symptom

The on-premise system mapped in the SCC (SAP Cloud Connector) cannot be reached.

This issue might generate malfunctions in the applications that connects to on-premise systems through SCC.

In the SCC traces "ljs_trace.log", located in the path "../<SCC_Install_Folder>/log", the following error is present:

[...]
1979-04-15 00:00:00,001 -0500#ERROR#com.sap.core.connectivity.spi.processing.AbstractProtocolProcessor#tunnelclient-84-2# #Unable to open connection to backend system: java.nio.channels.UnresolvedAddressException
java.nio.channels.UnresolvedAddressException
at sun.nio.ch.Net.checkAddress(Net.java:164)
at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:704)
at io.netty.channel.socket.nio.NioSocketChannel.doConnect(NioSocketChannel.java:209
[...]


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Environment

SAP Cloud Connector

Product

SAP Cloud Platform 1.0 ; SAP Cloud Platform Connectivity 2.0

Keywords

not, reachable, on-premise, on, premise, system, cloud, connector, availability, hostname, host, name, unable, open, connection, backend, unresolvedaddressexception , KBA , BC-MID-SCC , SAP Cloud Connector On-Demand/On-Premise Connectivity , Problem

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