unsupported media type using GET method in httpclient c#

Question

using code

 

 

string url = "http://localhost:8080/XYZ/API/JCR/ShowAllGroups" + "/" + jioMeetConstant.Uid + "/" + jioMeetConstant.KEY;

var client = new System.Net.Http.HttpClient();

///Adding OAuth token

client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));

client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", jioMeetConstant.Accesstoken);

HttpResponseMessage aResp = await client.GetAsync(url);