}runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        String concent_ch1 = mainplug_content1+"";
                        String concent_ch2 = mainplug_content2+"";
                        String usb_ch1 = mainplug_content3+"";
                        String usb_ch2 = mainplug_content4+"";
                        Log.i("성공2-1","여기까진 된다");
                        // xml 파싱
                        try {
                            URL url = new URL(SERVER_ADDRESS + "/mainplug.php?"
                                    + "concent_ch1=" + URLEncoder.encode(concent_ch1, "UTF-8") +"&concent_ch2=" + URLEncoder.encode(concent_ch2, "UTF-8") + "&usb_ch1=" + URLEncoder.encode(usb_ch1, "UTF-8")+"&usb_ch2=" + URLEncoder.encode(usb_ch2, "UTF-8"));
                            Log.i("성공2-2","여기까진 된다");
                            URLConnection conn = url.openConnection();
                            Log.i("성공2-3","여기까진 된다");
                            conn.setConnectTimeout(3000);
                            conn.setReadTimeout(3000);
                            Log.i("성공2-4","여기까진 된다");
                            InputStream is2 = conn.getInputStream();
                            Log.i("성공2-5","여기까진 된다");
                            String rs5 = concent_ch1 + concent_ch2 + usb_ch1 + usb_ch2;
                            rs5 = getXmlData("insertresult.xml", "rs5");
                            Log.i("성공2-6","여기까진 된다");
                        } catch (Exception e) {
                            Log.e("Error", e.getMessage());                     
                        }
                    }
                });
            }
        });

phpmyadmin의 mainplug 테이블 내에서 concent_ch1,2와 usb_ch1,2는 int형 입니다..