遇到Parcelable IOException，正在读取一个Serializable对象

Question

此哈希表的编写进展顺利，但是当我尝试读取它时，它将引发异常。

数据对象是可序列化的，正如我所说，编写它没有问题，只需要读入.readSerializable（）;

我还检查了数据和子字段中的所有字段，它们都是可序列化的

12-12 14:21:11.070 10173-10173/E/UncaughtException: java.lang.RuntimeException: Unable to start activity ComponentInfo{activities.CustomObjectsActivity}: java.lang.RuntimeException: Parcelable encountered IOException reading a Serializable object (name = ۳)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2430)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2490)
        at android.app.ActivityThread.access$900(ActivityThread.java:157)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1351)
        at android.os.Handler.dispatchMessage(Handler.java:102)
        at android.os.Looper.loop(Looper.java:148)
        at android.app.ActivityThread.main(ActivityThread.java:5437)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
     Caused by: java.lang.RuntimeException: Parcelable encountered IOException reading a Serializable object (name = ۳)
        at android.os.Parcel.readSerializable(Parcel.java:2508)
        at android.os.Parcel.readSerializable(Parcel.java:2477)
        at models.custom_fields.CustomObject.<init>(CustomObject.java:136)
        at models.custom_fields.CustomObject$1.createFromParcel(CustomObject.java:145)
        at models.custom_fields.CustomObject$1.createFromParcel(CustomObject.java:142)

@Override
    public void writeToParcel(Parcel dest, int flags) {
        super.writeToParcel(dest, flags);
        dest.writeSerializable(this.custom_fields);
    }

    protected CustomObject(Parcel in) {
        super(in);
        this.customFields = (HashMap<String, Data>) 
        in.readSerializable();
    }