[HDFS-12781] After Datanode down, In Namenode UI Datanode tab is throwing warning message.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.9.0, 3.0.0-alpha1
• Fix Version/s: 3.1.0, 2.10.0, 2.9.1, 3.0.3
• Component/s: datanode
• Hadoop Flags: Reviewed
• Assignee: Brahma Reddy Battula
• Reporter: Harshakiran Reddy
• Created: 06/Nov/17 05:37
• Updated: 05/Apr/18 20:16
• Resolved: 24/Feb/18 22:53

Description

Scenario:

Stop one Datanode
Refresh or click on the Datanode tab in namenode UI.

Actual Output:
==============
it's throwing the warning message. please find the bellow warning message.

DataTables warning: table id=table-datanodes - Requested unknown parameter '7' for row 2. For more information about this error, please see http://datatables.net/tn/4

Expected Output:
================
whenever you click on Datanode tab,it should be display the datanodes information.