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https://issues.apache.org/jira/browse/HADOOP-3539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12604349#action_12604349
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Tsz Wo (Nicholas), SZE commented on HADOOP-3539:
------------------------------------------------

As a consequence, tools like distcp cannot be executed in cygwin by "bin/hadoop 
distcp ...".

> Cygwin: cygpath displays an error message in running bin/hadoop script
> ----------------------------------------------------------------------
>
>                 Key: HADOOP-3539
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3539
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: scripts
>         Environment: Cygwin
>            Reporter: Tsz Wo (Nicholas), SZE
>            Priority: Blocker
>             Fix For: 0.18.0
>
>
> - When running ./bin/hadoop in cygwin, we see an error message from cypath.
> For example,
> {noformat}
> bash-3.2$ ./bin/hadoop namenode -format
> cygpath: cannot create short name of :[EMAIL PROTECTED]:[EMAIL PROTECTED]
> ...
> {noformat}
> - The output message is confusing for incorrect commands.
> For example,
> {noformat}
> bash-3.2$ ./bin/hadoop foo
> cygpath: cannot create short name of :[EMAIL PROTECTED]:[EMAIL PROTECTED]
> java.lang.NoClassDefFoundError: foo
> Exception in thread "main" bash-3.2$ 
> {noformat}

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