[HDDS-2900] Avoid logging NPE when space usage check is not configured

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.5.0
• Labels: pull-request-available
• Target Version/s: 0.5.0
• Assignee: Attila Doroszlai
• Reporter: Attila Doroszlai
• Created: 17/Jan/20 09:32
• Updated: 20/Jan/20 10:58
• Resolved: 20/Jan/20 10:58

Description

If hdds.datanode.du.factory.classname is not configured, a harmless but annoying NPE appears in datanode log during startup.

Issue Links

• links to: GitHub Pull Request #454