HDFS-16761. Namenode UI for Datanodes page not loading if any data node is down (#5390)

hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/webapps/router/federationhealth.html

@@ -390,6 +390,7 @@
     <td></td>
     <td></td>
     <td></td>
+    <td></td>
   </tr>
   {/DeadNodes}
 </table>

hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.html

@@ -361,6 +361,7 @@
     <td></td>
     <td></td>
     <td></td>
+    <td></td>
   </tr>
   {/DeadNodes}
 </table>