2478567 - "SSL certificate verification failed" error occurs while calling web service function - SAP Cloud Integration for Data Services

• CI-DS task calling SOAP web service fails with the below error in the error log:
  
  There is no response for the web service <<function name>>. Ensure that the network, web server, and service are running properly. Also ensure that the service client call time out is set properly.
  
  
• The below errors can be seen in the axis2_log.txt web service traces:

[error] ..\..\src\core\transport\http\sender\ssl\ssl_utils.c(200) [ssl client] SSL certificate verification failed (error:00000014:lib(0):func(0):SSL lib)
[error] ..\..\src\core\transport\http\sender\ssl\ssl_stream.c(104) Error occurred in SSL engine
[error] ..\..\src\core\transport\http\sender\http_client.c(295) Data stream creation failed for Host <host name> and <port number> port
[error] ..\..\src\core\transport\http\sender\http_client.c(552) client data stream  null or socket error for host <HOSTNAME> and <PORT> port
[error] ..\..\src\core\transport\http\sender\http_client.c(556) A read attempt(HTTP) for the reply without sending the request
[error] ..\..\src\core\transport\http\sender\http_sender.c(1381) status_code < 0
[error] ..\..\src\core\engine\engine.c(179) Transport sender invoke failed

• SAP Cloud Integration for Data Services 1.0.11.xxxx
• HTTPS-Enabled SOAP WebService call with WSS enabled
• No firewall
• No proxy

LOD-HCI-DS, HCI-DS, CPI-DS, web service, SOAP, SSL , KBA , LOD-HCI-DS , HANA Cloud Integration for Data Services , Problem