Thanks Tom.
As per your recommendation tried below in 12.2.
1)select * from v$version
BANNER CON_ID
Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production 0
PL/SQL Release 12.2.0.1.0 - Production 0
CORE 12.2.0.1.0 Production 0
TNS for Linux: Version 12.2.0.1.0 - Production 0
NLSRTL Version 12.2.0.1.0 - Production 0
2) select * from dba_network_acls
HOST LOWER_PORT UPPER_PORT ACL ACLID OWNER
secureaccess.startest.com 1 10000 /sys/acls/http_exostar.xml 0000000080002774 SYS
3)select * from dba_network_acl_privileges
ACL ACLID PRINCIPAL PRIVILEGE IS_GRANT INVERT START_DATE END_DATE ACL_OWNER
/sys/acls/http_exostar.xml 0000000080002774 CORETGT resolve true false SYS
/sys/acls/http_exostar.xml 0000000080002774 CORETGT connect true false SYS
4)Logged in SYS also to eliminate issue not with CORETGT user
declare
l_http_request UTL_HTTP.req;
l_http_response UTL_HTTP.resp;
BEGIN
utl_http.set_proxy('webproxy.mycompany.com:8080',''); -- This is required
utl_http.set_wallet('file:/opt/oracle/ormycompany/admin/RIDETEST/xdb_wallet', 'Mycompany123');
l_http_request := UTL_HTTP.begin_request
('
https://secureaccess.startest.com/credmgr/services/SamInviterService?accessNoLoginRedirect=1' ); -- Consider given URL working fine in IE
l_http_response := UTL_HTTP.get_response(l_http_request);
dbms_output.put_line('the response code ' || l_http_response.status_code);
end;
Error:
ORA-29273: HTTP request failed
ORA-29106: Cannot import PKCS #12 wallet.
ORA-06512: at "SYS.UTL_HTTP", line 380
ORA-06512: at "SYS.UTL_HTTP", line 1127
ORA-06512: at line 8