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From "Todd Lipcon (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-3188) Lots of errors in logs when daemon startup fails
Date Fri, 14 Oct 2011 18:00:12 GMT
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


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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