php-JSONException错误：android客户端

java.文件，错误：int success = json.getInt(TAG_SUCCESS);

   protected String doInBackground(String... args) {    // Building Parameters    List<NameValuePair> params = new ArrayList<NameValuePair>();    // getting JSON string from URL    JSONObject json = jParser.makeHttpRequest(url_all_products, "GET", params);    // Check your log cat for JSON reponse    Log.d("All Products: ", json.toString());    try {        // Checking for SUCCESS TAG        **int success = json.getInt(TAG_SUCCESS);**        if (success == 1) {            // products found            // Getting Array of Products            products = json.getJSONArray(TAG_PRODUCTS);            Log.d("level1: ", "@@@@@@@@@@@@@@@@@@@@@@$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$");            // looping through All Products            for (int i = 0; i < products.length(); i++) {                JSONObject c = products.getJSONObject(i);                // Storing each json item in variable                String id = c.getString(TAG_PID);                String name = c.getString(TAG_NAME);                Log.d("level2: ", "lksdjflsdjf0wrewrwje************************");                // creating new HashMap                HashMap<String, String> map = new HashMap<String, String>();                // adding each child node to HashMap key => value                map.put(TAG_PID, id);                map.put(TAG_NAME, name);                // adding HashList to ArrayList                productsList.add(map);            }        } else {            // no products found            // Launch Add New product Activity            Log.d("level3: ", "jldksffffffffffffffffffffffffffffffffffffff");            Intent i = new Intent(getApplicationContext(),                    NewProductActivity.class);            // Closing all previous activities            i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);            startActivity(i);        }    } catch (JSONException e) {        e.printStackTrace();    }    return null;}

服务器的jsonArray如下，我已经通过jsonlint.con验证过了

     {"tbl_user": {    "0": {        "id": "195",        "email": "aru@yahoo.com",        "password": "202cb962ac59075b964b07152d234b70",        "fname": "aru",        "lname": "sharma"    },    "1": {        "id": "196",        "email": "manu@yahoo.com",        "password": "202cb962ac59075b964b07152d234b70",        "fname": "manu",        "lname": "sharma"    },    "2": {        "id": "197",        "email": "rishi@yahoo.com",        "password": "202cb962ac59075b964b07152d234b70",        "fname": "rishi",        "lname": "sharma"    },    "success": 1}}

然后PHP代码如下：

Magic CMS 网站管理系统2.2.1.alpha 政企版

Magic CMS网站管理系统（政企版）采用PHP+Mysql架构，再原CMS系统的基础上精简出适合企业政府客户使用版本，继承了原系统的快捷，高效，灵活，实用的特点，保留了核心功能，系统支持自定义模版（极易整合dede模板）、支持扩展插件，自定义模型等功能，保留了文章模型，视频模型，图集模型，产品模型，能够胜任企业多种建站需求。BUG修复：1.修改了程序安装时部分数据无法正常导入的错误2.修改了程

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    function getUsers() {$sql = "select * FROM tbl_user ORDER BY fname";try {    $db = getConnection();    $stmt = $db->query($sql);      $users = $stmt->fetchAll(PDO::FETCH_OBJ);    $users["success"] = 1;    $db = null;    echo '{"tbl_user": ' . json_encode($users) . '}';} catch(PDOException $e) {    echo '{"error":{"text":'. $e->getMessage() .'}}'; }}

请帮我解决一下，谢谢。

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