[AMBARI-21328] NameNode alerts in Unknown state after Ambari upgrade

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.5.1
• Fix Version/s: 2.5.2
• Assignee: Aravindan Vijayan
• Reporter: Aravindan Vijayan
• Created: 22/Jun/17 23:06
• Updated: 03/Aug/17 21:35
• Resolved: 23/Jun/17 21:27

Description

PROBLEM:
When ambari is upgraded to Ambari-2.5, the NameNode alerts in Ambari becomes in UNKNOWN state stating the error:

Message

Properties file doesn't contain namenode.sink.timeline.collector.hosts