File f = readFromDatabase(form, formName);
                            String filename = f.getName();
                            try {
                                proc = Runtime.getRuntime().exec("java.exe -jar " + filename + " " + userNam + " " + pass + " " + codeReport + "");

                                
                                System.out.println(filename);
                            } catch (IOException ex) {
                                Logger.getLogger(MainForm.class.getName()).log(Level.SEVERE, null, ex);
                            }

 public File readFromDatabase(byte[] bytes, String filename) {

        File file = new File(filename);

        try {

            long time = System.currentTimeMillis();
            FileOutputStream os = new FileOutputStream(file);

            os.write(bytes);

            os.close();
            System.out.println("file write: " + String.valueOf(System.currentTimeMillis() - time));

        } catch (Exception e) {
        }

        return file;

    }