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From Ted Yu <yuzhih...@gmail.com>
Subject Re: Hadoop 2.6.0 "Server IPC version 9 cannot communicate with client version 4"
Date Tue, 16 Dec 2014 20:52:08 GMT
Where did you run the 'hadoop fs -ls' command ?

Looks like hadoop version of that hadoop command is older than Hadoop 2.6.0

Cheers

On Tue, Dec 16, 2014 at 12:17 PM, Dan Dong <dongdan39@gmail.com> wrote:
>
> Hi,
>   When I run hadoop fs -ls(or other hadoop commands) on my Hadoop 2.6.0, I
> got the following:
>
> ls: Server IPC version 9 cannot communicate with client version 4
>
> What does this mean? What Server and what client? Did not find any error
> messages in the log files. Thanks.
>
> Cheers,
> Dan
>

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