I am using below code to update fields using api
def baseUrl = new URL("http://xxxx/xxxxxxx/abc");
HttpURLConnection conn= (HttpURLConnection) baseUrl.openConnection();
log.debug(conn.getContentLength())
conn.setInstanceFollowRedirects( false );
conn.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
conn.setRequestProperty("Accept", "application/json");
conn.setDoOutput(true);
conn.setDoInput(true);
conn.setRequestMethod("POST");
//conn.connect();
log.debug(conn.getResponseCode() as String)
But I am receiving 411 error , not sure on how to set content length.can someone help me with this