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https://issues.apache.org/jira/browse/MAPREDUCE-1344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12796069#action_12796069
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Amareshwari Sriramadasu commented on MAPREDUCE-1344:
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Since "mapred.job.tracker" is deprecated, Configuration looks at the property 
"mapreduce.jobtracker.address" for the value of deprecated property 
"mapred.job.tracker". It is not a problem, if the code looks at old value. See 
HADOOP-6105.

> Cluster.createClient only looks at deprecated mapred.job.tracker should look 
> at mapreduce.jobtracker.address as well
> --------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1344
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1344
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.22.0
>            Reporter: Chris Wilkes
>   Original Estimate: 0.5h
>  Remaining Estimate: 0.5h
>
> new Job(conf) calls new Cluster(conf) and Cluster's createClient method only 
> looks for the "mapred.job.tracker" key, it should probably also look for the 
> newer version of this "mapreduce.jobtracker.address"
> Note: this is only for the check if mapred.job.tracker is set to "local" -- 
> however if this value is not found its default is "local" which will always 
> happen unless this value is set to something else.

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