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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9422) HADOOP_HOME should not be required to be set to be able to launch commands using hadoop.util.Shell
Date Fri, 19 Apr 2013 11:05:16 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13636275#comment-13636275
] 

Steve Loughran commented on HADOOP-9422:
----------------------------------------

also, because it is at error, the only way to stop it appearing in the logs is to add a line
to the log to suppress all error level events
{code}
log4j.logger.org.apache.hadoop.util.Shell=FATAL
{code}
This can actually hide warning messages that are in fact significant, namely the failure of
things to exec properly
                
> HADOOP_HOME should not be required to be set to be able to launch commands using hadoop.util.Shell
> --------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-9422
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9422
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 3.0.0
>            Reporter: Hitesh Shah
>
> Not sure why this is an enforced requirement especially in cases where a deployment is
done using multiple tar-balls ( one each for common/hdfs/mapreduce/yarn ). 

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