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https://issues.apache.org/jira/browse/HDFS-643?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE resolved HDFS-643.
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Resolution: Invalid
That's great, Bryan! Let's close this. Feel free to reopen if you see the
problem again.
> Strange behavior with bin/hadoop dfs -mv
> ----------------------------------------
>
> Key: HDFS-643
> URL: https://issues.apache.org/jira/browse/HDFS-643
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 0.20.1
> Reporter: Bryan Duxbury
>
> I had a very strange experience today with the bin/hadoop dfs -mv command. I
> accidentally passed 3 parameters, like so:
> {code}
> bin/hadoop dfs -mv /1 /2 /3
> {code}
> My intent was to mv /1 to /3, but mis-pasted some stuff. However, to my
> surprise, the result I got was that /1 had been moved to /2, and /2 had then
> been moved to /3! This seems like totally confusing semantics - I would have
> expected a 3-parameter move to either ignore the 3rd parameter or error out
> altogether. Needless to say, a solid 10 minutes of confused scrambling
> commenced.
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