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https://issues.apache.org/jira/browse/HADOOP-3438?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12599380#action_12599380
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Steve Loughran commented on HADOOP-3438:
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It's not that I want to disable logging - I do have logging enabled in my
configuration - its that the system property "hadoop.log.dir" needs to be set
regardless of whether or not hadoop.job.history.location is defined in the
config file.
if the property is null, then new File(System.getProperty("hadoop.log.dir"))
fails. This object is created before conf.get() is called to look for my
configuration-defined settings.
> NPE if job tracker started and system property hadoop.log.dir is not set
> ------------------------------------------------------------------------
>
> Key: HADOOP-3438
> URL: https://issues.apache.org/jira/browse/HADOOP-3438
> Project: Hadoop Core
> Issue Type: Bug
> Components: metrics
> Affects Versions: 0.18.0
> Environment: amd64 ubuntu, jrockit 1.6
> Reporter: Steve Loughran
>
> This is a regression. If the system property "hadoop.log.dir" is not set, the
> job tracker NPEs rather than starts up.
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