Health Report on Resource Manager UI is null if the NM's are all healthy.
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Key: MAPREDUCE-2990
URL: https://issues.apache.org/jira/browse/MAPREDUCE-2990
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: mrv2
Affects Versions: 0.23.0
Reporter: Mahadev konar
The web UI on the RM for the link Nodes shows that Health-report as null when
the NM is healthy.
This is a simple fix where in we can check for null in NodesPage.java and put
something meaningful instead of null.
NodesPage.java:
{code}
render(..)
th(health.getHealthReport()?"REPORT HEALTHY": health.getHealthReport);
{code}
Or something like that.
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