@RequestMapping(value = "/servers", method = RequestMethod.GET) public JsonResponse servers(){ Response<List<ServerInfo>> serversResp = clusterService.listServers(); if (!serversResp.isSuccess()){ Logs.error("failed to list servers, cause: {}", serversResp.getErr()); return JsonResponse.notOk(messages.get("servers.list.failed")); } return JsonResponse.ok(serversResp.getData()); }