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From "Todd Lipcon (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3188) Lots of errors in logs when daemon startup fails
Date Fri, 14 Oct 2011 21:38:11 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Todd Lipcon updated MAPREDUCE-3188:

    Assignee: Todd Lipcon
      Status: Patch Available  (was: Open)
> Lots of errors in logs when daemon startup fails
> ------------------------------------------------
>                 Key: MAPREDUCE-3188
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3188
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>         Attachments: mr-3188.txt
> Since the MR2 daemons are made up of lots of component services, if one of those components
fails to start, it will cause the others to shut down as well, even if they haven't fully
finished starting up. Currently, this causes the error output to have a bunch of NullPointerExceptions,
IllegalStateExceptions, etc, which mask the actual root cause error at the top.

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