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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-736) Undefined variable is treated as string.
Date Tue, 22 Jul 2014 22:08:39 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Allen Wittenauer resolved MAPREDUCE-736.
----------------------------------------

    Resolution: Incomplete

Stale?

> Undefined variable is treated as string.
> ----------------------------------------
>
>                 Key: MAPREDUCE-736
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-736
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Suman Sehgal
>            Priority: Minor
>         Attachments: hadoop_env.txt
>
>
> This issue is related to HADOOP-2838.
> For X=$X:Y : Append Y to X (which should be taken from the tasktracker) ,  if  we append
to an undefined variable then value for undefined variable should be displayed as blank 
> e.g. NEW_PATH=$NEW_PATH2:/tmp should be displayed as 
> ":/tmp" in child's environment 
> while that variable is being displayed as a string ("$NEW_PATH2:/tmp") in the environemnt.
>  This is happening in case of default task-controller only. This scenario works fine
with linux task-controller.



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