在改造响应中收到空主体

Question

我正在使用 Retrofit 从 Ticketmaster API 获取数据 我的班级活动： `public class Event 实现 Parcelable { 私有字符串名称； 私有字符串 ID； 私有字符串 url； 私有字符串开始日期； 私有字符串时间； 私人字符串注释； 私有字符串图像； 私人布尔年龄限制； 私人 EventPlace 场所；

public Event() {}

public Event(String name, String id, String url, String image, String startDate,
             String time, String notes, boolean ageRestrictions, EventPlace place) {
    this.name = name;
    this.id = id;
    this.url = url;
    this.startDate = startDate;
    this.time = time;
    this.notes = notes;
    this.image = image;
    this.ageRestrictions = ageRestrictions;
    this.place = place;
}

protected Event(Parcel in) {
    this.name = in.readString();
    this.id = in.readString();
    this.url = in.readString();
    this.startDate = in.readString();
    this.time = in.readString();
    this.notes = in.readString();
    this.image = in.readString();
    this.ageRestrictions = in.readByte() != 0;
    this.place = in.readParcelable(EventPlace.class.getClassLoader());
}

public String getName() {
    return name;
}

public void setName(String name) {
    this.name = name;
}

public String getId() {
    return id;
}

public void setId(String id) {
    this.id = id;
}

public String getUrl() {
    return url;
}

public void setUrl(String url) {
    this.url = url;
}

public String getStartDate() {
    return startDate;
}

public void setStartDate(String startDate) {
    this.startDate = startDate;
}

public String getTime() {
    return time;
}

public void setTime(String time) {
    this.time = time;
}

public String getNotes() {
    return notes;
}

public void setNotes(String notes) {
    this.notes = notes;
}

public String getImage() {
    return image;
}

public void setImage(String image) {
    this.image = image;
}

public Boolean getAgeRestrictions() {
    return ageRestrictions;
}

public void setAgeRestrictions(Boolean ageRestrictions) {
    this.ageRestrictions = ageRestrictions;
}


public static final Parcelable.Creator<Event> CREATOR = new Parcelable.Creator<Event>() {
    @Override
    public Event createFromParcel(Parcel source) {
        return new Event(source);
    }

    @Override
    public Event[] newArray(int size) {
        return new Event[size];
    }
};

@Override
public int describeContents() {
    return 0;
}

@Override
public void writeToParcel(@NonNull Parcel dest, int flags) {
    dest.writeString(this.name);
    dest.writeString(this.id);
    dest.writeString(this.url);
    dest.writeString(this.startDate);
    dest.writeString(this.time);
    dest.writeString(this.notes);
    dest.writeString(this.image);
    dest.writeByte(this.ageRestrictions ? (byte) 1 : (byte) 0);
    dest.writeParcelable(this.place, flags);
}

}

    The main method is: 

public void fetchEvents(String type, String city, String startDateTime, String time, long lastUpdate) {

    long currentTime = System.currentTimeMillis();

    // It gets the news from the Web Service if the last download
    // of the news has been performed more than FRESH_TIMEOUT value ago
    //TODO sistemare la condizione per l'aggiornamento
    //if (currentTime - lastUpdate > FRESH_TIMEOUT) {
    if (true) {
        Call<EventApiResponse> eventsResponseCall = eventsApiService.getEvents(type, city, startDateTime, time,
                                                                                "ymPPalpoNoG8lG5xyca0AQ6uhACG4y3j");

        eventsResponseCall.enqueue(new Callback<EventApiResponse>() {
            @Override
            public void onResponse(@NonNull Call<EventApiResponse> call,
                                   @NonNull Response<EventApiResponse> response) {

                if(response.body() != null && response.isSuccessful()) {
                List<Event> eventsList = response.body().getEvents();
                    Log.d(TAG, "Response code: " + response.code());
                    Log.d(TAG, "Response body: " + response.body());
                    responseCallback.onSuccess(eventsList, System.currentTimeMillis());
                    //TODO saveDataInDatabase(eventsList);
                } else {
                    responseCallback.onFailure(application.getString(R.string.error_retrieving_events));
                }
            }

            @Override
            public void onFailure(@NonNull Call<EventApiResponse> call, @NonNull Throwable t) {

                if(t.getMessage() != null)
                    Log.d(TAG, t.getMessage());
                else
                    Log.d(TAG, "messaggio di errore nullo");

                responseCallback.onFailure(t.getMessage());
            }
        });
    } else {
        //TODO` 

调用方法为： ` public void onViewCreated(@NonNull View view, Bundle savingInstanceState) { super.onViewCreated(视图，savedInstanceState); recyclerViewEvents = view.findViewById(R.id.recyclerview); RecyclerView.LayoutManagerlayoutManager = new LinearLayoutManager(requireContext(), LinearLayoutManager.VERTICAL, false);

    recyclerViewEvents.setLayoutManager(layoutManager);
    recyclerViewEvents.setAdapter(recyclerViewEventsAdapter);

    eventsRepository.fetchEvents("music", "324", "2024-06-01T08:00:00Z", "2024-06-30T08:00:00Z", 10);
}`    

当我尝试从 json 本地文件解析时，它可以工作，但是当我尝试改造时，我得到一个 OK 响应代码（400），但主体为空。

Answer 1

您的请求有问题。响应代码 400 表示“错误请求”。你能分享 eventsApiService.getEvents 的样子吗？