我正在执行一个Web服务，这是我的回答，当我尝试使用Gson库将此JSONObject（org.json.JSONObject）转换为特定对象时，我的应用程序崩溃了。 所以，我不知道为什么会这样。 JSON：
{
"atributos": {
"id": "1",
"nombre": "Cliente",
"descripcion": "Cliente",
"version": "1"
},
"elementos": "[{
"id": "1",
"name" : "akira"
},
{
"id": "4",
"name" : "akira"
},
{
"id": "5",
"name" : "akira"
},
{
"id": "6",
"name" : "akira"
},
{
"id": "7",
"name" : "akira"
},
{
"id": "8",
"name" : "akira"
},
{
"id": "9",
"name" : "akira"
},
{
"id": "10",
"name" : "akira"
},
{
"id": "11",
"name" : "akira"
},
{
"id": "12",
"name" : "akira"
},
{
"id": "13",
"name" : "akira"
},
{
"id": "14",
"name" : "akira"
},
{
"id": "15",
"name" : "akira"
},
{
"id": "16",
"name" : "akira"
},
{
"id": "17",
"name" : "akira"
},
{
"id": "18",
"name" : "akira"
}]"
}
错误：
java.lang.StackOverflowError
05-02 17:50:56.166: E/AndroidRuntime(8130): at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.getBoundFields(ReflectiveTypeAdapterFactory.java:117)
05-02 17:50:56.166: E/AndroidRuntime(8130): at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.create(ReflectiveTypeAdapterFactory.java:72)
05-02 17:50:56.166: E/AndroidRuntime(8130): at com.google.gson.Gson.getAdapter(Gson.java:356)
05-02 17:50:56.166: E/AndroidRuntime(8130): at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.<init>(ReflectiveTypeAdapterFactory.java:82)
05-02 17:50:56.166: E/AndroidRuntime(8130): at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.createBoundField(ReflectiveTypeAdapterFactory.java:81)
05-02 17:50:56.166: E/AndroidRuntime(8130): at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.getBoundFields(ReflectiveTypeAdapterFactory.java:118)
05-02 17:50:56.166: E/AndroidRuntime(8130): at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.create(ReflectiveTypeAdapterFactory.java:72)
05-02 17:50:56.166: E/AndroidRuntime(8130): at com.google.gson.Gson.getAdapter(Gson.java:356)
05-02 17:50:56.166: E/AndroidRuntime(8130): at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.<init>(ReflectiveTypeAdapterFactory.java:82)
05-02 17:50:56.166: E/AndroidRuntime(8130): at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.createBoundField(ReflectiveTypeAdapterFactory.java:81)
答案 0 :(得分：1)
当我验证给你的json它有一些错误（示例Json给出的不是一个有效的json）。你的json在打开和关闭之前在elementos数组中有＆＃34; ，也许这导致尝试使用Gson解析json时出现堆栈溢出错误。
＆＃34; elementos＆＃34;：＆＃34; [{.....]＆＃34;
请使用json验证器网站为json验证你的例子jsonlint
首先我们需要有效的json，我通过省略＆＃34;
来制作你的json vaild就像这样
更改后的Json
{
"atributos": {
"id": "1",
"nombre": "Cliente",
"descripcion": "Cliente",
"version": "1"
},
"elementos": [
{
"id": "1",
"name": "akira"
},
{
"id": "4",
"name": "akira"
},
{
"id": "5",
"name": "akira"
},
{
"id": "6",
"name": "akira"
},
{
"id": "7",
"name": "akira"
},
{
"id": "8",
"name": "akira"
},
{
"id": "9",
"name": "akira"
},
{
"id": "10",
"name": "akira"
},
{
"id": "11",
"name": "akira"
},
{
"id": "12",
"name": "akira"
},
{
"id": "13",
"name": "akira"
},
{
"id": "14",
"name": "akira"
},
{
"id": "15",
"name": "akira"
},
{
"id": "16",
"name": "akira"
},
{
"id": "17",
"name": "akira"
},
{
"id": "18",
"name": "akira"
}
]
}
**现在编码部分：**要使用Gson解析此jsonresponse，请按照以下步骤操作
制作一个JsonResponse类
public class JsonResponse {
/*Class handle the Whole json*/
//Variable name should be same as the names given in the json response
Atributos atributos;// Attributos class handles the data in atributos obj from the json . The variable name of Attributos should be same as the json objects ie atributos
ArrayList<ElementosObj>elementos=null;//elementos is a array which hold some datas ,so make a class ElementosObj to handle the data in the elementos array.
}
Atributos类
public class Atributos {
/*Class handle the atributos obj from json*/
//Variable name should be same as the names given in the json response
public String id = null;
public String nombre = null;
public String descripcion = null;
public String version = null;
}
类ElementosObj
public class ElementosObj {
/*Class handle the elementos array from json*/
//Variable name should be same as the names given in the json response
String id=null;
String name=null;
}
现在在你的主要课程中解析上面的json
主要课程
String jsonData = "String jsonData Contain your parsed jsondata ";
Gson mGson = new Gson();
JsonResponse mObj1 = (JsonResponse) mGson.fromJson(jsonData,
JsonResponse.class);
Log.d("Atributos:ID", mObj1.atributos.id);
Log.d("Atributos:DESCRIBTION", mObj1.atributos.descripcion);
Log.d("Atributos:NUMBER", mObj1.atributos.nombre);
Log.d("Atributos:VERSION", mObj1.atributos.version);
for (int i = 0; i < mObj1.elementos.size(); i++) {
Log.d("Elementos:ID For Postion " + i, mObj1.elementos.get(i).id);
Log.d("Elementos:NAME For Postion " + i,
mObj1.elementos.get(i).name);
}
输出将是这样的
05-03 01:32:51.548: D/Atributos:ID: 1
05-03 01:32:51.548: D/Atributos:DESCRIBTION: Cliente
05-03 01:32:51.548: D/Atributos:NUMBER: Cliente
05-03 01:32:51.548: D/Atributos:VERSION: 1
05-03 01:32:51.548: D/Elementos:ID For Postion 0: 1
05-03 01:32:51.548: D/Elementos:NAME For Postion 0: akira
05-03 01:32:51.548: D/Elementos:ID For Postion 1: 4
05-03 01:32:51.558: D/Elementos:NAME For Postion 1: akira
05-03 01:32:51.558: D/Elementos:ID For Postion 2: 5
05-03 01:32:51.558: D/Elementos:NAME For Postion 2: akira
05-03 01:32:51.558: D/Elementos:ID For Postion 3: 6
05-03 01:32:51.558: D/Elementos:NAME For Postion 3: akira
05-03 01:32:51.558: D/Elementos:ID For Postion 4: 7
05-03 01:32:51.558: D/Elementos:NAME For Postion 4: akira
05-03 01:32:51.558: D/Elementos:ID For Postion 5: 8
05-03 01:32:51.558: D/Elementos:NAME For Postion 5: akira
05-03 01:32:51.558: D/Elementos:ID For Postion 6: 9
05-03 01:32:51.558: D/Elementos:NAME For Postion 6: akira
05-03 01:32:51.558: D/Elementos:ID For Postion 7: 10
05-03 01:32:51.558: D/Elementos:NAME For Postion 7: akira
05-03 01:32:51.558: D/Elementos:ID For Postion 8: 11
05-03 01:32:51.558: D/Elementos:NAME For Postion 8: akira
05-03 01:32:51.558: D/Elementos:ID For Postion 9: 12
05-03 01:32:51.558: D/Elementos:NAME For Postion 9: akira
05-03 01:32:51.558: D/Elementos:ID For Postion 10: 13
05-03 01:32:51.558: D/Elementos:NAME For Postion 10: akira
05-03 01:32:51.558: D/Elementos:ID For Postion 11: 14
05-03 01:32:51.558: D/Elementos:NAME For Postion 11: akira
05-03 01:32:51.558: D/Elementos:ID For Postion 12: 15
05-03 01:32:51.558: D/Elementos:NAME For Postion 12: akira
05-03 01:32:51.558: D/Elementos:ID For Postion 13: 16
05-03 01:32:51.558: D/Elementos:NAME For Postion 13: akira
05-03 01:32:51.558: D/Elementos:ID For Postion 14: 17
05-03 01:32:51.558: D/Elementos:NAME For Postion 14: akira
05-03 01:32:51.558: D/Elementos:ID For Postion 15: 18
05-03 01:32:51.558: D/Elementos:NAME For Postion 15: akira
希望这会对你有所帮助 谢谢
答案 1 :(得分：1)
如果其他人碰到这个问题，我的问题就是我需要替换：
private final Logger LOGGER = Logger.getLogger(this.getClass().getName());
与
private transient Logger LOGGER = Logger.getLogger(this.getClass().getName());
请注意关键字＆＃34; transient＆＃34;。这在https://stackoverflow.com/a/5889590/2308858进一步解释。