src/jdk.jpackage/share/classes/jdk/jpackage/main/CommandLine.java

*** 69,79 ****
          List<String> newArgs = new ArrayList<>();
          appendParsedCommandArgs(newArgs, Arrays.asList(args));
          return newArgs.toArray(new String[newArgs.size()]);
      }
  
!     private static void appendParsedCommandArgs(List<String> newArgs, List<String> args) throws IOException {
          for (String arg : args) {
              if (arg.length() > 1 && arg.charAt(0) == '@') {
                  arg = arg.substring(1);
                  if (arg.charAt(0) == '@') {
                      newArgs.add(arg);
--- 69,80 ----
          List<String> newArgs = new ArrayList<>();
          appendParsedCommandArgs(newArgs, Arrays.asList(args));
          return newArgs.toArray(new String[newArgs.size()]);
      }
  
!     private static void appendParsedCommandArgs(List<String> newArgs,
!             List<String> args) throws IOException {
          for (String arg : args) {
              if (arg.length() > 1 && arg.charAt(0) == '@') {
                  arg = arg.substring(1);
                  if (arg.charAt(0) == '@') {
                      newArgs.add(arg);
*** 84,98 ****
                  newArgs.add(arg);
              }
          }
      }
  
!     private static void loadCmdFile(String name, List<String> args) throws IOException {
          if (!Files.isReadable(Path.of(name))) {
              throw new FileNotFoundException(name);
          }
!         try (Reader r = Files.newBufferedReader(Paths.get(name), Charset.defaultCharset())) {
              Tokenizer t = new Tokenizer(r);
              String s;
              while ((s = t.nextToken()) != null) {
                  args.add(s);
              }
--- 85,101 ----
                  newArgs.add(arg);
              }
          }
      }
  
!     private static void loadCmdFile(String name, List<String> args)
!             throws IOException {
          if (!Files.isReadable(Path.of(name))) {
              throw new FileNotFoundException(name);
          }
!         try (Reader r = Files.newBufferedReader(Paths.get(name),
!                 Charset.defaultCharset())) {
              Tokenizer t = new Tokenizer(r);
              String s;
              while ((s = t.nextToken()) != null) {
                  args.add(s);
              }
*** 147,157 ****
                          if (quoteChar != 0) {
                              ch = in.read();
                              switch (ch) {
                                  case '\n':
                                  case '\r':
!                                     while (ch == ' ' || ch == '\n' || ch == '\r' || ch == '\t' || ch == '\f') {
                                          ch = in.read();
                                      }
                                      continue;
  
                                  case 'n':
--- 150,162 ----
                          if (quoteChar != 0) {
                              ch = in.read();
                              switch (ch) {
                                  case '\n':
                                  case '\r':
!                                     while (ch == ' ' || ch == '\n'
!                                             || ch == '\r' || ch == '\t'
!                                             || ch == '\f') {
                                          ch = in.read();
                                      }
                                      continue;
  
                                  case 'n':