Oops.. reading again, the command is working.
what is the exact string that you have in cmdStr ?
On Tue, May 31, 2011 at 4:51 PM, Mapred Learn wrote:
> try using complete path for where you hadoop binary is present. For eg
> /usr/bin/hadoop instead of hadoop...
>
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> On Tue, May 31, 2011 at 3:56 PM, neeral beladia
> wrote:
>
>> Hi,
>>
>> I am not sure if this question has been asked. Its more of a hadoop fs
>> question. I am trying to execute the following hadoop fs command :
>>
>> hadoop fs -copyToLocal s3n://:@> name>/file.txt /home/hadoop/workspace/file.txt
>>
>> When I execute this command directly from the Terminal shell, it works
>> perfectly fine, however the above command from code doesn't execute. In
>> fact,
>> it says :
>>
>> Exception in thread "main" copyToLocal: null
>>
>> Please note I am using Runtime.getRunTime().exec(cmdStr), where cmdStr is
>> the
>> above hadoop command. Also, please note that hadoop fs -cp or hadoop fs
>> -rmr
>> commands work fine with source and destination being both Amazon AWS
>> locations.
>> In the above command (hadoop fs -copyToLocal) the destination is local
>> location
>> to my machine(Ubuntu installed).
>>
>> Your help would be greatly appreciated.
>>
>> Thanks,
>>
>> Neeral
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