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From Steve Loughran <ste...@apache.org>
Subject Re: TaskTracker and DataNodes cannot connect to master node (NoRouteToHostException)
Date Wed, 26 May 2010 14:20:42 GMT
Erik Test wrote:
> I'm able to ssh and ping the from the slave node to the master node w/o
> problems. I've open the ports on the master node to receive communication
> from the slave nodes on the port but still no luck. I'm going to try opening
> the port on the slave node to communicate with the master node next.
> The platform I'm on is Red Hat Enterprise Linux 5.
> Erik

Stick ant on the machine, run ant -diagnostics. This gives us a view of 
what java sees of the world, which can be different from the rest of unix

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