3656574 - socket write error from SCC trace while setting up SCC monitoring thru SAP Cloud ALM

While setting up SAP Cloud ALM, following error is perceived from SCC trace (ljs_trace.log / scc_core.trc).

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20xx-xx-xx xx:xx:xx,xxx +0000#INFO#com.sap.scc.rt#AccessControl connection checker#          #SccEndpointValidator failed to establish connection to HTTPS://xxxxxxxxxxxxxxxxxxx.xxxx:8443
java.net.SocketException: Software caused connection abort: socket write error (local port xxxxx to address xx.xx.xx.xx (xxxxxxxxxxxxxxxxxxx.xxxx), remote port 8443 to address xx.xx.xx.xx (xxxxxxxxxxxxxxxxxxx.xxxx))
    at java.net.SocketOutputStream.socketWrite0(Native Method)
    at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:111)
    at java.net.SocketOutputStream.write(SocketOutputStream.java:155)
    at sun.security.ssl.SSLSocketOutputRecord.flush(SSLSocketOutputRecord.java:273)
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• SAP Cloud ALM;
• SAP Cloud Connector(SCC) release independent.

SAP cloud connector, cloud connector, connector, SCC, CC, Cloud ALM, CALM, mapping, HTTPS, com.sap.scc.rt, SccEndpointValidator, socket write error, java.net.SocketOutputStream, monitoring, monitored,  , KBA , BC-MID-SCC , SAP Cloud Connector On-Demand/On-Premise Connectivity , SV-CLM-INF-LMS , Landscape Management Service , SV-CLM-INF-CON , Connectivity of managed services/systems to SAP Cloud ALM , Problem