AMBARI-3221. NameNode Uptime does not appear. (xiwang via yusaku)

ambari-web/app/controllers/global/update_controller.js

@@ -120,7 +120,8 @@ App.UpdateController = Em.Controller.extend({
       'components/host_components/metrics/dfs/namenode/DecomNodes,' +
       'components/host_components/metrics/dfs/namenode/TotalFiles,' +
       'components/host_components/metrics/dfs/namenode/UpgradeFinalized,' +
-      'components/host_components/metrics/dfs/namenode/Safemode';
+      'components/host_components/metrics/dfs/namenode/Safemode,' +
+      'components/host_components/runtime/StartTime';
 
     var servicesUrl = isInitialLoad ? this.getUrl(testUrl, realUrl + conditionalFieldsString) : this.getUrl(testUrl, realUrl + conditionalFieldsString);
     var callback = callback || function (jqXHR, textStatus) {

ambari-web/app/mappers/service_mapper.js

@@ -66,7 +66,7 @@ App.servicesMapper = App.QuickDataMapper.create({
     standby_name_node2_id: 'standby_name_node2_id',
     data_nodes: 'data_nodes',
     journal_nodes: 'journal_nodes',
-    name_node_start_time: 'nameNodeComponent.ServiceComponentInfo.StartTime', //// blocked by bug-8787
+    name_node_start_time: 'nameNodeComponent.host_components[0].runtime.StartTime',
     jvm_memory_heap_used: 'nameNodeComponent.host_components[0].metrics.jvm.memHeapUsedM',
     jvm_memory_heap_committed: 'nameNodeComponent.host_components[0].metrics.jvm.memHeapCommittedM',
     live_data_nodes: 'live_data_nodes',