[英]Gson error expected begin_object but was string at line 1 column 1 path $
[英]Expected BEGIN_OBJECT but was STRING at line 13 column 1 path $
我已經多次看到此問題,但仍然無法理解。 好像我在現場發送請求,但它的正文不正確。 但為什么? 可能是我不太清楚改造的工作原理,但是我是否不只是收集請求的鏈接並等待服務器的答復? 這里是鏈接: 這里
帶請求的接口
public interface NService {
@GET("/computers?p=2")
Call<Model> getItems();
}
並使用基本網址進行分類
public class APIUtils {
public static final String BASE_URL = "http://testwork.nsd.naumen.ru/rest/";
public static NService getMService() {
return RetrofitClient.getClient(BASE_URL).create(NService.class);
}
}
改建類
public class RetrofitClient {
private static Retrofit retrofit = null;
public static Retrofit getClient(String baseURL) {
if (retrofit==null) {
Gson gson = new GsonBuilder()
.setLenient()
.create();
retrofit = new Retrofit.Builder()
.baseUrl(baseURL)
.addConverterFactory(GsonConverterFactory.create(gson))
.build();
}
return retrofit;
}
}
JSON解析了,雖然這
MainActivity是:
public class MainActivity extends AppCompatActivity {
private List<Item> responseModel;
private NService mService;
private TextView textView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Log.d("testcrap", "before loading set");
setContentView(R.layout.activity_main);
mService = APIUtils.getMService(); // Строим retrofit объект, собираем ссылку
Log.d("testcrap", "before loading");
loadSomeCrap();
Log.d("testcrap", "after loading");
}
public void loadSomeCrap() {
Log.d("testcrap", "started parsing");
mService.getItems().enqueue(new Callback<Model>() {
@Override
public void onResponse(Call<Model> call, Response<Model> response) {
Log.d("testcrap", "started onResponse");
if(response.isSuccessful()) {
Log.d("testcrap", "posts loaded from API");
}else {
Log.d("testcrap", "posts not loaded from API");
}
}
@Override
public void onFailure(Call<Model> call, Throwable t) {
//showErrorMes sage();
Log.d("testcrap", t.toString());
}
});
}
}
日志:
before loading set
before loading
started parsing
after loading
com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 13 column 1 path $
因此,如果請求錯誤,對於正常工作我應該更改什么?
您的API或JSON響應返回JSON_OBJECT,但您通過String獲取它,因此向您顯示此JsonSyntaxException。 嘗試獲取對象中的響應。
進行這些更改..
BASE_URL = "http://testwork.nsd.naumen.ru/"
然后在界面上..
@GET("rest/computers?p=2")
.............
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