UTL_HTTP post receives ORA-29273: HTTP request failed/ORA-12545 target host or object does not exist

  • From: Panchanathan Suresh <suresh.gm@xxxxxxxxx>
  • To: "oracle-l@xxxxxxxxxxxxx" <oracle-l@xxxxxxxxxxxxx>
  • Date: Thu, 10 Jun 2021 15:22:18 -0700

Hi Everyone,

DB - 12c EE 64 bit (12.1.0.2)

We make http POST requests from our database server to another server
belonging to Mulesoft, by calling their API url.

This below is a snippet from our package:


                    utl_http.set_wallet('file:/u01/app/oracle/wallet',
NULL);

                    v_req := utl_http.begin_request(v_mulesoft_url, 'POST',
' HTTP/1.1');

                    utl_http.set_header(v_req, 'content-type',
'application/json');

                    utl_http.set_header(v_req, 'client_id', v_client_id);

                    utl_http.set_header(v_req, 'client_secret',
v_client_secret);

                    utl_http.set_header(v_req, 'Content-Length',
length(v_content));

                    utl_http.write_text(v_req, v_content);

                    v_response := utl_http.get_response(v_req);

A sample v_mulesoft_url looks like
https://eisit.us.icf.com:443/ea10015-bts-oracleacebts-v1/api/exp/oracleacebts/v1/notifications


In the last month or so we are frequently seeing the below errors in our
side:

ORA-29273: HTTP request failed

ORA-12545: Connect failed because target host or object does not exist

What is puzzling is, when we retry the POST 1 second later, the records are
sent successfully to Mulesoft.

Not sure why it is failing in the first attempt.

Can someone please help?


Thank you

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