Http 415不支持的媒体类型错误与JSON我正在使用JSON请求调用REST服务，它给出了Http 415“不支持的媒体类型”错误。请求内容类型设置为（“Content-Type”，“application / json; charset = utf8”）。如果我在请求中不包含Json对象，它可以正常工作。我正在为json使用google-gson-2.2.4库。我尝试使用几个不同的库，但它没有任何区别。有人可以帮我解决这个问题吗？这是我的代码：public static void main(String[] args) throws Exception{
JsonObject requestJson = new JsonObject();
String url = "xxx";
//method call for generating json
requestJson = generateJSON();
URL myurl = new URL(url);
HttpURLConnection con = (HttpURLConnection)myurl.openConnection();
con.setDoOutput(true);
con.setDoInput(true);
con.setRequestProperty("Content-Type", "application/json; charset=utf8");
con.setRequestProperty("Accept", "application/json");
con.setRequestProperty("Method", "POST");
OutputStream os = con.getOutputStream();
os.write(requestJson.toString().getBytes("UTF-8"));
os.close();
StringBuilder sb = new StringBuilder();
int HttpResult =con.getResponseCode();
if(HttpResult ==HttpURLConnection.HTTP_OK){
BufferedReader br = new BufferedReader(new InputStreamReader(con.getInputStream(),"utf-8"));
String line = null;
while ((line = br.readLine()) != null) {
sb.append(line + "\n");
}
br.close();
System.out.println(""+sb.toString());
}else{
System.out.println(con.getResponseCode());
System.out.println(con.getResponseMessage());
} }public static JsonObject generateJSON () throws MalformedURLException{
String s = "http://www.abc.com";
s.replaceAll("/", "\\/");
JsonObject reqparam=new JsonObject();
reqparam.addProperty("type", "arl");
reqparam.addProperty("action", "remove");
reqparam.addProperty("domain", "staging");
reqparam.addProperty("objects", s);
return reqparam;}}requestJson.toString的值是：{“type”：“arl”，“action”：“remove”，“domain”：“staging”，“objects”：“ http://www.abc.com ”}
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