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From Haohui Mai <h...@hortonworks.com>
Subject Re: Is it possible to access a hadoop 1 file system (hdfs) via the hadoop 2.2.0 command line tools?
Date Sun, 02 Feb 2014 07:54:14 GMT
You can use webhdfs / hftp to access the data from the Hadoop 1 cluster.

Haohui


On Sat, Feb 1, 2014 at 2:39 AM, Jitendra Yadav
<jeetuyadav200890@gmail.com>wrote:

> In this case I believe Hadoop client version should be same as Hadoop
> cluster version.
>
> Thanks
> Jitendra
>
>
> On Sat, Feb 1, 2014 at 2:54 PM, Christian Schuhegger <
> Christian.Schuhegger@gmx.de> wrote:
>
>> Hello all,
>>
>> I am trying to access a hadoop 1 installation via the hadoop 2.2.0
>> command line tools. I am wondering if this is possible at all?
>>
>> From hadoop 1 I get:
>> -- snip start --
>> cs:~$ hadoop fs -ls hdfs://127.0.0.1:9000/
>> Found 2 items
>> drwxr-xr-x   - cs supergroup          0 2014-02-01 08:18 /tmp
>> drwxr-xr-x   - cs supergroup          0 2014-02-01 08:19 /user
>> -- snip end --
>>
>> From hadoop 2.2.0 I get:
>> -- snip start --
>> cs:~$ hadoop fs -ls hdfs://127.0.0.1:9000/
>> ls: Failed on local exception: java.io.EOFException; Host Details : local
>> host is: "i7/127.0.1.1"; destination host is: "localhost":9000;
>> -- snip end --
>>
>> I am trying to find this information via a web-search, but up to now no
>> success.
>>
>> Many thanks and best regards!
>> --
>> Christian Schuhegger
>>
>>
>>
>

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