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https://issues.apache.org/jira/browse/HADOOP-4121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amareshwari Sriramadasu updated HADOOP-4121:
--------------------------------------------

    Attachment: patch-4121.txt

Patch adding the exception trace

> HistoryViewer initialization failure should log exception trace 
> ----------------------------------------------------------------
>
>                 Key: HADOOP-4121
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4121
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>            Reporter: Amareshwari Sriramadasu
>            Assignee: Amareshwari Sriramadasu
>            Priority: Trivial
>             Fix For: 0.19.0
>
>         Attachments: patch-4121.txt
>
>
> If there is any exception in HistoryViewer's constructor, it throws an 
> IOException. But the exception message should contain the exception trace.

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