Server returned HTTP response code: 401 for URL

新建好友关系出现这个异常
 java.io.IOException: Server returned HTTP response code: 401 for URL: http://a1.easemob.com/yihezhai6688/crescent/users/13864629565/contacts/users/15338734890
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1627)
    at com.project.util.EasemobJsonInfoToHttpPost.addfriend(EasemobJsonInfoToHttpPost.java:141)
    at com.project.util.EasemobJsonInfoToHttpPost.main(EasemobJsonInfoToHttpPost.java:171)