Oracle Invoke REST Service desde pl/sql

¿Ha verificado si DBA concedió la ejecución de utl_http? Simplemente intente ejecutarlo para estar seguro:

select utl_http.request('http://ipaddresshere:9099/api/batchProcess/1') from dual;

Si recibe un error, solicite al DBA que le dé el permiso correspondiente:

grant execute on utl_http to your_oracle_user_name
grant execute on dbms_lock to user_name



BEGIN
  DBMS_NETWORK_ACL_ADMIN.create_acl (
    acl          => 'local_sx_acl_file.xml', 
    description  => 'A test of the ACL functionality',
    principal    => 'put your user_name',
    is_grant     => TRUE, 
    privilege    => 'connect',
    start_date   => SYSTIMESTAMP,
    end_date     => NULL);
end;

begin
  DBMS_NETWORK_ACL_ADMIN.assign_acl (
    acl         => 'local_sx_acl_file.xml',
    host        => 'localhost', 
    lower_port  => 9002,
    upper_port  => NULL);    
end;

Espero que ayude.

Saludos,

Morteza Fakoorrad