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https://issues.apache.org/jira/browse/HADOOP-1690?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Olga Natkovich updated HADOOP-1690:
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It would be nice to have programatic way to ask about the version so that 
client can detect a mismatch

> No way to programmatically determine hadoop version from binary distribution
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-1690
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1690
>             Project: Hadoop
>          Issue Type: New Feature
>            Reporter: Marco Nicosia
>            Priority: Minor
>
> Currently, there's no way (short of starting a hadoop daemon and looking at a 
> web page) to tell what version of Hadoop binaries are installed in a given 
> directory. It'd be great if there were a VERSION file or at least a 
> hadoop-daemon.sh version directive.

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