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https://issues.apache.org/jira/browse/HADOOP-5921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12714968#action_12714968
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Devaraj Das commented on HADOOP-5921:
-------------------------------------

I don't think that's going to work since the JobTracker object isn't created 
yet. We don't have the target object for sending an interrupt as this loop is 
in the middle of the JobTracker constructor. Maybe we should move both the 
loops (the one introduced by the patch and the other already existing loop for 
checking whether the NameNode is up) outside the constructor (and put them in 
startTracker).

> JobTracker does not come up because of NotReplicatedYetException
> ----------------------------------------------------------------
>
>                 Key: HADOOP-5921
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5921
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.20.0
>            Reporter: Amareshwari Sriramadasu
>             Fix For: 0.20.1
>
>         Attachments: HADOOP-5921-v1.0.patch
>
>
> Sometimes (On a big cluster) Jobtracker does not come up, because Info file 
> could not be replicated on dfs.

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