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From Roberto Alonso <roal...@gmail.com>
Subject error starting task tracker
Date Fri, 30 Mar 2012 17:17:27 GMT
Hello

I am following the "CDH3 Deployment in a cluster" and I am in this step
https://ccp.cloudera.com/display/CDHDOC/CDH3+Deployment+on+a+Cluster#CDH3DeploymentonaCluster-Step3

so I have some doubts, should I put in mapred-site.xml this config?

<property>
<name>mapred.system.dir</name>
<value>/mapred/system</value>
</property>

When I put and start the tasktracker:
sudo service hadoop-0.20-tasktracker start

The log /usr/lib/hadoop-0.20/logs/hadoop-hadoop-tasktracker.log says the
next:

ERROR org.apache.hadoop.mapred.TaskTracker: Can not start task tracker
because java.lang.RuntimeException: Not a host:port pair: local

do you know whats happening??

Thanks!!

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