[英]java.io.EOFException: End of input at line 1 column 1 path $ in Gson parser
I'm parsing a JSON string by using Gson and Retrofit. 我正在使用Gson和Retrofit解析JSON字符串。 I have this JSON string: 我有这个JSON字符串:
{"message":["Email has already been taken"]}
I get the below exception still and don't know why: 我仍然得到以下异常,不知道为什么:
java.io.EOFException: End of input at line 1 column 1 path $
at com.google.gson.stream.JsonReader.nextNonWhitespace(JsonReader.java:1393)
at com.google.gson.stream.JsonReader.doPeek(JsonReader.java:549)
at com.google.gson.stream.JsonReader.peek(JsonReader.java:425)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:205)
at com.google.gson.TypeAdapter.fromJson(TypeAdapter.java:260)
at com.google.gson.TypeAdapter.fromJson(TypeAdapter.java:273)
People who know how to get the value of message
field please help me. 知道如何获得message
字段价值的人请帮助我。
BaseApiDto.java
public class BaseApiDto {
@SerializedName("message")
public String[] message;
public String getError() {
return message[0];
}
}
HandErrorUtils.java
public static void handleError(FragmentActivity activity, Throwable e) {
String msg = null;
if(e instanceof HttpException){
// Error message in json
Gson gson = new Gson();
TypeAdapter<BaseApiDto> adapter = gson.getAdapter(BaseApiDto.class);
ResponseBody body = ((HttpException) e).response().errorBody();
// Status code
HttpException httpException = (HttpException) e;
int statusCode = httpException.code();
if (statusCode == 500) {
showErrorDialog(activity, activity.getString(R.string.dialog_msg_error_401), true);
} else if (statusCode == 401) {
showErrorDialog(activity, activity.getString(R.string.dialog_msg_error_401), true);
} else {
try {
Timber.w("body.string() " + body.string());
// TODO : EXCEPTION HAPPEN IN HERE
BaseApiDto errorDto = adapter.fromJson(body.string());
msg = errorDto.getError();
Timber.w("msg " + msg);
} catch (Exception ex) {
// TODO : EXCEPTION HAPPEN IN HERE
ex.printStackTrace();
}
showErrorDialog(activity, msg, false);
}
}
}
UPDATE I assign body.toString()
to variable, somehow it worked. 更新我将body.toString()
分配给变量,不知何故它工作。
String response = body.string();
BaseApiDto errorDto = adapter.fromJson(response);
It worked because I didn't call body.string()
twice. 它工作,因为我没有两次调用body.string()
。
I assign body.toString()
to variable, somehow it worked. 我将body.toString()
分配给变量,不知何故它起作用了。
String response = body.string();
BaseApiDto errorDto = adapter.fromJson(response);
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