OpenFeign/feign
incomplete Object information when serialize object with Gson
Aberta
#2.485 aberto em 24 de jul. de 2024
bughelp wanted
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Description
@PostMapping("/message/send?access_token={access_token}")
MessageResponseDTO send(@RequestParam("access_token") String accessToken, @RequestBody AbsMessage message);
Such as the code, I need to call it,the interface has different performance depends on the Object passed. However AbsMessage is a abstract class,when I call it need to pass an object which instance of AbsMessage. But the reuest body doesn't conatin any field from the runtime sub class whic I passed. All fields are from the abstract class. I find the cause at last.
GsonEncoder#encode(Object object, Type bodyType, RequestTemplate template)
@Override
public void encode(Object object, Type bodyType, RequestTemplate template) {
template.body(gson.toJson(object, bodyType));
}
It serializes object with the type which declared in the function,not runtime type of the passed object. If gson.toJson(object),It appears normal.