src/java.base/share/classes/sun/net/ftp/FtpClientProvider.java

*** 65,76 ****
          String cm = System.getProperty("sun.net.ftpClientProvider");
          if (cm == null) {
              return false;
          }
          try {
!             Class<?> c = Class.forName(cm, true, null);
!             provider = (FtpClientProvider) c.newInstance();
              return true;
          } catch (ClassNotFoundException |
                   IllegalAccessException |
                   InstantiationException |
                   SecurityException x) {
--- 65,77 ----
          String cm = System.getProperty("sun.net.ftpClientProvider");
          if (cm == null) {
              return false;
          }
          try {
!             @SuppressWarnings("deprecation")
!             Object o = Class.forName(cm, true, null).newInstance();
!             provider = (FtpClientProvider)o;
              return true;
          } catch (ClassNotFoundException |
                   IllegalAccessException |
                   InstantiationException |
                   SecurityException x) {