On 24 September 2012 15:47, Ted Reynolds <[email protected]> wrote:
> Jason,
>
> The line in the JobTracker log - "Could only be replicated to 0 nodes,
> instead of 1" points to a problem with your data node. I generally means
> that your DataNode is either down or not functioning correctly. What is
> the output of the "jps" command? ("jps" is found in <JAVA_HOME>/bin).
>
>
see also: http://wiki.apache.org/hadoop/CouldOnlyBeReplicatedTo
-steve
