SSL Connectivity b/w oracle database and Web Service

Getting below error, for https call to the webservice using utl_http package
PS: Have configured SSL Connectivity b/w oracle database and webservice.
All the necessary steps required for configuring ssl like creating wallet and adding certificates in the oracle wallet are in place.

Oracle version used is 11g.
ORA-29273: HTTP request failed
ORA-06512: at "SYS.UTL_HTTP", line 1130
ORA-28860: Fatal SSL error
ORA-06512: at "HTTP_TEST_POST", line 14
ORA-06512: at line 129273. 00000 - "HTTP request failed"
*Cause: The UTL_HTTP package failed to execute the HTTP request.
*Action: Use get_detailed_sqlerrm to check the detailed error message.
       Fix the error
and retry the HTTP request.