Issue-ID: VFC-764
Change-Id: I5cff574c18268c81dbd4607cd327f775e629c500
Signed-off-by: Kanagaraj Manickam k00365106 <kanagaraj.manickam@huawei.com>
         RestfulResponse rsp = VnfmRestfulUtil.getRemoteResponse(ParamConstants.GRANT_RES_URL, VnfmRestfulUtil.TYPE_PUT,
                 grantParam.toString());
         if(rsp == null || rsp.getStatus() != Constant.HTTP_OK) {
-            return null;
+            return new JSONObject();
         }
         LOG.error("funtion=sendGrantToResmgr, status={}", rsp.getStatus());
         return JSONObject.fromObject(rsp.getResponseContent());