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https://issues.apache.org/jira/browse/MAPREDUCE-1000?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12756943#action_12756943
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Jothi Padmanabhan commented on MAPREDUCE-1000:
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bq,. IOE is thrown during the execution, JT would be aborted

Actually we intentionally did that -- catch Exceptions during History 
Initialization and exit JT. Otherwise, these exceptions could go totally 
unnoticed and we might end up with no history file at all.  Infact, this was 
one of Sharad's review comments 
[here|https://issues.apache.org/jira/browse/MAPREDUCE-157?focusedCommentId=12753542&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#action_12753542]
 

> JobHistory.initDone() should retain the try ... catch in the body
> -----------------------------------------------------------------
>
>                 Key: MAPREDUCE-1000
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1000
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Hong Tang
>


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