declare
  req  UTL_HTTP.REQ;
  resp UTL_HTTP.RESP;
  v_text varchar2(4000);
begin
  --here you can insert other code even procedure or funciton
  --my codeing is etl monitor
  v_text := etl_monitor; --this is the etl monitor procedure
  if v_text is not null then
  req  := UTL_HTTP.BEGIN_REQUEST(‘http://192.168.xxx.xxx/pass/web/alertsms.php?data=‘ ||
                                 v_text);
  resp := UTL_HTTP.GET_RESPONSE(req);
  utl_http.end_response(resp);
  end if;
 
EXCEPTION
  WHEN utl_http.end_of_body THEN
    utl_http.end_response(resp);
end;
 
 
declare
*
ERROR at line 1:
ORA-29273: HTTP request failed
ORA-06512: at "SYS.UTL_HTTP", line 1231
ORA-29263: HTTP protocol error
ORA-06512: at line 11
 
declare
  req  UTL_HTTP.REQ;
  resp UTL_HTTP.RESP;
  val  varchar2(32767);
begin
 
  req := UTL_HTTP.BEGIN_REQUEST(‘xxx‘);
  utl_http.set_header(req, ‘Content-Type‘, ‘text/html; charset=utf-8‘);--add this
  resp := UTL_HTTP.GET_RESPONSE(req);
  utl_http.read_line(resp, val, true);
  utl_http.end_response(resp);
  dbms_output.put_line(val);
 
EXCEPTION
  WHEN utl_http.end_of_body THEN
    utl_http.end_response(resp);
end;