How do I get Response body when there is an error when using Retrofit 2.0 Observables

Question

I am using Retrofit 2.0 to make api calls that return Observables. It all works good when the call went through fine and the response is as expected. Now let\'s say we have an e

Answer 1

You can add this code block to display the error message.

@Override
public void onFailure(Throwable t) {

 if (t instanceof HttpException) {
        ResponseBody body = ((HttpException) t).response().errorBody();
        Gson gson = new Gson();
        TypeAdapter adapter = gson.getAdapter
                (ErrorParser
                        .class);
        try {
            ErrorParser errorParser =
                    adapter.fromJson(body.string());

            Logger.i(TAG, "Error:" + errorParser.getError());

        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}