I verified on both of the datanodes, the only nutch processes running are
one instance each of:
org.apache.hadoop.hdfs.server.datanode.DataNode
and
org.apache.hadoop.mapred.TaskTracker
Jesse
int GetRandomNumber()
{
return 4; // Chosen by fair roll of dice
// Guaranteed to be random
} // xkcd.com
On Sat, Oct 17, 2009 at 11:49 AM, Andrzej Bialecki <a...@getopt.org> wrote:
> Jesse Hires wrote:
>
>> Does anyone have any insight into the following error I am seeing in the
>> hadoop logs? Is this something I should be concerned with, or is it
>> expected
>> that this shows up in the logs from time to time? If it is not expected,
>> where can I look for more information on what is going on?
>>
>> 2009-10-16 17:02:43,061 ERROR datanode.DataNode -
>> DatanodeRegistration(192.168.1.7:50010,
>> storageID=DS-1226842861-192.168.1.7-50010-1254609174303,
>> infoPort=50075, ipcPort=50020):DataXceiver
>> org.apache.hadoop.hdfs.server.datanode.BlockAlreadyExistsException:
>> Block blk_909837363833332565_3277 is valid, and cannot be written to.
>>
>
> Are you sure you are running a single datanode process per machine?
>
>
> --
> Best regards,
> Andrzej Bialecki <><
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