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From "Chandra Mohan, Ananda Vel Murugan" <Ananda.Muru...@honeywell.com>
Subject Hadoop Pi map-reduce job hangs
Date Wed, 08 Aug 2012 01:45:05 GMT
Hi,

I have set up a three node cluster following the instructions here

http://www.michael-noll.com/tutorials/running-hadoop-on-ubuntu-linux-multi-node-cluster/

I ran into java.io.IOException: Incompatible namespaceIDs error and I fixed by manually updating
the namespace ID. I restarted the cluster and tried running sample Pi calculation job. It
hangs as shown below

[cid:image001.jpg@01CD7535.867BA8E0]

It is running for more than 30 minutes. I quickly checked the logs and did not find any exception.
How do I fix this? Any help would be greatly appreciated.

Regards,
Anand.C

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