Issues with using utl_http with Oracle Wallet

Question

Hello Everyone,
We are experimenting with Oracle wallet and utl_http and are attempting to do an https transfer and we are facing some problems. I will appreciate your help greatly if you can advise on what could be wrong. We are on db version 10.2.0.1 and Unix HP-UX. The intention ping an https url and get a simple 200 response. Future development would include get/post XML documents from that url and other interesting stuff. I understand that utl_http with Oracle wallet can be used for this purpose.
The wallet has been created and the ewallet.p12 exists. We downloaded the SSL certificate from the url's website and uploaded into the wallet.
Everything works if I put in a url with plain http. However, it does not work with an HTTP*S* url.
With HTTPS when I run the below code I get the following error. Again, greatly appreciate your time and help because this is the first time we are using Oracle wallet manager and do not know where to go from here.
ORA-29273: HTTP request failed
ORA-06512: at "SYS.UTL_HTTP", line 1029
ORA-29268: HTTP client error
declare
url varchar2(225);
req utl_http.req;
resp utl_http.resp;
my_proxy BOOLEAN;
name varchar2(2000);
value varchar2(2000);
V_proxy VARCHAR2(2000);
v_n_proxy varchar2(2000);
v_msg varchar2(100);
v_len PLS_INTEGER := 1000;
BEGIN
-- Turn off checking of status code.
utl_http.set_response_error_check(FALSE);
--Set proxy server
utl_http.set_proxy('my-proxy');
utl_http.set_wallet('file:<full Unix path to the wallet on DB server>','wallet998');
req := utl_http.begin_request('https://service.ariba.com/service/transaction/cxml.asp');
--Set proxy authentication
utl_http.set_authentication(req, 'myproxyid', 'myproxypswd','Basic',TRUE); -- Use HTTP Basic
resp := utl_http.get_response(req);
FOR i IN 1..utl_http.get_header_count(resp) LOOP
utl_http.get_header(resp, i, name, value);
dbms_output.put_line(name || ': ' || value);
END LOOP;
utl_http.end_response(resp);
exception
when others then
dbms_output.put_line(sqlerrm);
END;

Answer 1

I tried this using plsql ...
declare
SOAP_URL constant varchar2(1000) := 'http://125.21.166.27/cordys/com.eibus.web.soap.Gateway.wcp?organization=o=WIPRO,cn=cordys,o=itgi.co.in';
request      UTL_HTTP.req;
begin
dbms_output.put_line('Begin Request');
request := UTL_HTTP.begin_request(SOAP_URL,'POST',UTL_HTTP.HTTP_VERSION_1_1);
dbms_output.put_line('After Request');
exception
when others then
   dbms_output.put_line('Error : '||sqlerrm);
end;The output was ...
Begin Request
Error : ORA-29273: HTTP request failed
ORA-06512: at "SYS.UTL_HTTP", line 1029
ORA-12535: TNS:operation timed outIt seems to be an issue with the webservice, plz check if its available & allowing requests.