[jira] [Created] (MAPREDUCE-3632) Need better error message on the Web UI when NM can't find the container logs instead of NPEno

[Ravi Gummadi (Created) (JIRA)]

Need better error message on the Web UI when NM can't find the container logs 
instead of NPEno
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                 Key: MAPREDUCE-3632
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3632
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: nodemanager
    Affects Versions: 0.23.0
            Reporter: Ravi Gummadi
            Assignee: Ravi Gummadi
             Fix For: 0.23.1


If for some reason NM could not find container logs, then an NPE is seen while 
trying to access from web UI. Instead an error message should be displayed.

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