try this
<property>
<name>mapred.map.child.log.level</name>
<value>DEBUG</value>
</property>
In case when you launch map reduce from a java action, properties and libs
are not propagated to mapreduce automatically you need to set them in
configuration of mapreduce properly.
On Thu, Feb 6, 2014 at 12:25 AM, Tim Chan <[email protected]> wrote:
> I'm running a map reduce driver class using Oozie's Java action. I can see
> logging for this class, but not for my mapper and reducer classes.
>
> How do I get logging working for the mapper and reducer classes?
>