src/jdk.internal.le/share/classes/jdk/internal/jline/console/internal/ConsoleRunner.java

*** 59,68 ****
--- 59,69 ----
  
          String completors = System.getProperty(ConsoleRunner.class.getName() + ".completers", "");
          List<Completer> completorList = new ArrayList<Completer>();
  
          for (StringTokenizer tok = new StringTokenizer(completors, ","); tok.hasMoreTokens();) {
+             @SuppressWarnings("deprecation")
              Object obj = Class.forName(tok.nextToken()).newInstance();
              completorList.add((Completer) obj);
          }
  
          if (completorList.size() > 0) {