I am using Retrofit 2 in my Android project. When I hit an API endpoint using a GET method and it returns a 400 level error I can see the error content when I use an HttpLoggingInterceptor, but when I get to the Retrofit OnResponse callback the error body's string is empty.
I can see that there is a body to the error, but I can't seem to pull that body when in the context of the Retrofit callback. Is there a way to ensure the body is accessible there?
Thanks, Adam
Edit: The response I see from the server is: {"error":{"errorMessage":"For input string: \"000001280_713870281\"","httpStatus":400}}
I am trying to pull that response from the response via:
BaseResponse baseResponse = GsonHelper.getObject(BaseResponse.class, response.errorBody().string());
if (baseResponse != null && !TextUtils.isEmpty(baseResponse.getErrorMessage()))
error = baseResponse.getErrorMessage();
(GsonHelper is just a helper which passes the JSON string through GSON to pull the object of type BaseResponse)
The call to response.errorBody().string() results in an IOException: Content-Length and stream length disagree, but I see the content literally 2 lines above in Log Cat
I encountered the same problem before and I fixed it by using the code response.errorBody().string() only once. You'll receive the IOException if you are using it many times so it is advised to just use it as a one-shot stream just as the Documentation on ResponseBody says.
My suggestion is: convert the Stringified errorBody() into an Object immediately as the latter is what you're gonna be using on subsequent operations.