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