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https://issues.apache.org/jira/browse/HDFS-4427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14078233#comment-14078233
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Allen Wittenauer commented on HDFS-4427:
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Or we could, you know, just grep -v util.NativeCodeLoader out of the output in
*-dfs.sh...
> start-dfs.sh generates malformed ssh command when not running with native libs
> ------------------------------------------------------------------------------
>
> Key: HDFS-4427
> URL: https://issues.apache.org/jira/browse/HDFS-4427
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: scripts
> Reporter: Jason Lowe
> Assignee: Robert Parker
>
> After HADOOP-8712 the start-dfs.sh script is generating malformed ssh
> commands when the native hadoop libraries are not present. This is because
> {{hdfs getconf}} is printing a warning, and that warning is accidentally
> interpreted as one of the machines to target for ssh.
> Here's an example output of hdfs getconf:
> {noformat}
> $ hdfs getconf -namenodes 2>/dev/null
> 2013-01-22 21:03:59,543 WARN util.NativeCodeLoader
> (NativeCodeLoader.java:<clinit>(62)) - Unable to load native-hadoop library
> for your platform... using builtin-java classes where applicable
> localhost
> {noformat}
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