3633610 - HTTP/HTTPS connection is not reachable in SAP Cloud Connector with the error: - "java.net.SocketException: Connection reset"

1. Connection is successfully working at OS level or server level, but HTTPS connection with the specified port is in "not reachable" state in the cloud connector;
   
   
2. While checking in the SCC UI (- SCC -> "Cloud to On-Premise" -> "Access Control" -> <select the related mapping> -> "Check availability" & "Show details" (right last button)) exception showing is "java.net.SocketException: Connection reset"
   
   
   
   
   
   
   
3. Further in the SCC log (ljs_trace.log (<2.17)/scc_core.trc (>=2.17)) following entries are there: 

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#INFO#com.sap.scc.rt#AccessControl connection checker#          #SccEndpointValidator failed to establish connection to HTTP://Hostname:Port
java.net.SocketException: Connection reset
====

OR

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#INFO#com.sap.scc.rt#notification-client-12-1#          #SccEndpointValidator failed to establish connection to HTTPS://Hostname:Port
java.net.SocketException: Connection reset
====

* Image / Data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental  

SAP Cloud Connector release independent.

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