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From "Nigel Daley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-630) The web/ui for the JobTracker doesn't come up until after the namenode is out of safe mode
Date Tue, 06 Feb 2007 01:58:05 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-630?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12470421
] 

Nigel Daley commented on HADOOP-630:
------------------------------------

This bug makes it difficult to debug jobs after the JT has been taken down.  Starting up the
JT to analyse jobs through the JT web UI is only possible if you also bring up the HDFS used
by the job.  Given all the tests I run, with different HDFS instances, etc, I find this restriction
very inconvenient.

> The web/ui for the JobTracker doesn't come up until after the namenode is out of safe
mode
> ------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-630
>                 URL: https://issues.apache.org/jira/browse/HADOOP-630
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.7.2
>            Reporter: Owen O'Malley
>         Assigned To: Owen O'Malley
>
> The http status server for the job tracker isn't initialized until after the working
directory is cleared, meaning that it can't happen until after the name node leaves safe mode.


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