Я хочу проанализировать объект JSON с помощью GSON. Кажется, все работает нормально, но когда я пытаюсь разобрать более «сложный» объект, я получаю ошибку десериализации. Объект, который я пытаюсь проанализировать, содержит несколько примитивов, стек и векторную коллекцию.
Возможно ли, что стек \ вектор вызывает эту проблему? могу ли я как-то преодолеть это?
Ошибка:
Exception in thread "AWT-EventQueue-0" com.google.gson.JsonParseException: The JsonDeserializer com.google.gson.DefaultTypeAdapters$CollectionTypeAdapter@4e76fba0 failed to deserialize json object [{"name_":"Human","points_":1,"alive_":true,"id_":0,"cssStyleClass":"pressed_p1"},{"name_":"Human","points_":0,"alive_":true,"id_":1,"cssStyleClass":"pressed_p2"}] given the type java.util.Vector<entities.Player>
at com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:64)
at com.google.gson.JsonDeserializationVisitor.invokeCustomDeserializer(JsonDeserializationVisitor.java:92)
at com.google.gson.JsonObjectDeserializationVisitor.visitFieldUsingCustomHandler(JsonObjectDeserializationVisitor.java:117)
at com.google.gson.ReflectingFieldNavigator.visitFieldsReflectively(ReflectingFieldNavigator.java:63)
at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:120)
at com.google.gson.JsonDeserializationContextDefault.fromJsonObject(JsonDeserializationContextDefault.java:76)
at com.google.gson.JsonDeserializationContextDefault.deserialize(JsonDeserializationContextDefault.java:54)
Код запроса
Gson json = new Gson();
Multiplayer result = json.fromJson(answer.toString(), Multiplayer.class);
Код на сервлете
Gson gson = new Gson();
Multiplayer game = (Multiplayer)getServletContext().getAttribute("OnlineGame");
String responseStr = gson.toJson(game);
response.setContentType("application/json;charset=UTF-8");
out.write(responseStr);
Строка из toString ()
{serializeNulls:false,serializers:{mapForTypeHierarchy:{Map:MapTypeAdapter,Collection:com.google.gson.DefaultTypeAdapters$CollectionTypeAdapter@596e1fb1,InetAddress:com.google.gson.DefaultTypeAdapters$DefaultInetAddressAdapter@4ce2cb55,Enum:EnumTypeAdapter},map:{Integer:IntegerTypeAdapter,URI:UriTypeAdapter,UUID:UuidTypeAdapter,BigInteger:BigIntegerTypeAdapter,URL:UrlTypeAdapter,Short:ShortTypeAdapter,Time:com.google.gson.DefaultTypeAdapters$DefaultTimeTypeAdapter@16bdb503,byte:ByteTypeAdapter,short:ShortTypeAdapter,Number:NumberTypeAdapter,double:com.google.gson.DefaultTypeAdapters$DoubleSerializer@b6e39f,GregorianCalendar:GregorianCalendarTypeAdapter,Calendar:GregorianCalendarTypeAdapter,Byte:ByteTypeAdapter,StringBuilder:StringBuilderTypeAdapter,Float:com.google.gson.DefaultTypeAdapters$FloatSerializer@6719dc16,Locale:LocaleTypeAdapter,StringBuffer:StringBufferTypeAdapter,Date:DefaultDateTypeAdapter(SimpleDateFormat),Character:CharacterTypeAdapter,float:com.google.gson.DefaultTypeAdapters$FloatSerializer@6719dc16,BigDecimal:BigDecimalTypeAdapter,Boolean:BooleanTypeAdapter,boolean:BooleanTypeAdapter,String:StringTypeAdapter,Timestamp:DefaultDateTypeAdapter(SimpleDateFormat),int:IntegerTypeAdapter,long:LongSerializer,Date:com.google.gson.DefaultTypeAdapters$DefaultJavaSqlDateTypeAdapter@52c05d3b,char:CharacterTypeAdapter,Double:com.google.gson.DefaultTypeAdapters$DoubleSerializer@b6e39f,Long:LongSerializer},deserializers:{mapForTypeHierarchy:{Map:MapTypeAdapter,Collection:com.google.gson.DefaultTypeAdapters$CollectionTypeAdapter@596e1fb1,InetAddress:com.google.gson.DefaultTypeAdapters$DefaultInetAddressAdapter@4ce2cb55,Enum:EnumTypeAdapter},map:{Integer:IntegerTypeAdapter,URI:UriTypeAdapter,UUID:UuidTypeAdapter,BigInteger:BigIntegerTypeAdapter,URL:UrlTypeAdapter,Short:ShortTypeAdapter,byte:ByteTypeAdapter,Time:com.google.gson.DefaultTypeAdapters$DefaultTimeTypeAdapter@16bdb503,short:ShortTypeAdapter,Number:NumberTypeAdapter,double:DoubleDeserializer,Byte:ByteTypeAdapter,Calendar:GregorianCalendarTypeAdapter,GregorianCalendar:GregorianCalendarTypeAdapter,StringBuilder:StringBuilderTypeAdapter,Float:FloatDeserializer,Locale:LocaleTypeAdapter,StringBuffer:StringBufferTypeAdapter,Date:DefaultDateTypeAdapter(SimpleDateFormat),Character:CharacterTypeAdapter,float:FloatDeserializer,BigDecimal:BigDecimalTypeAdapter,Boolean:BooleanTypeAdapter,boolean:BooleanTypeAdapter,String:StringTypeAdapter,Timestamp:com.google.gson.DefaultTypeAdapters$DefaultTimestampDeserializer@5328f6ee,int:IntegerTypeAdapter,long:LongDeserializer,Date:com.google.gson.DefaultTypeAdapters$DefaultJavaSqlDateTypeAdapter@52c05d3b,char:CharacterTypeAdapter,Double:DoubleDeserializer,Long:LongDeserializer},instanceCreators:{mapForTypeHierarchy:{SortedSet:DefaultConstructorCreator,Set:DefaultConstructorCreator,Queue:DefaultConstructorCreator,Collection:DefaultConstructorCreator,Map:DefaultConstructorCreator},map:{}}