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From Lev Givon <...@columbia.edu>
Subject Re: login error while running hadoop on MacOSX 10.5.*
Date Mon, 23 Jun 2008 20:37:02 GMT
Both the daemons and the job were started using the same user.

     	 	     	     	  	  	    L.G.

Received from Stefan Groschupf on Mon, Jun 23, 2008 at 04:34:54PM EDT:
> Which user runs the hadoop? It should be the same you trigger the job with.
>
> On Jun 23, 2008, at 10:29 PM, Lev Givon wrote:
>
>> I recently installed hadoop 0.17.0 in pseudo-distributed mode on a
>> MacOSX 10.5.3 system with software managed by Fink installed in /sw. I
>> configured hadoop to use the stock Java 1.5.0_13 installation in
>> /Library/Java/Home. When I attempted to run a simple map/reduce job
>> off of the dfs after starting up the daemons, the job failed with the
>> following Java error (501 is the ID of the user used to start the
>> hadoop daemons and run the map/reduce job):
>>
>> javax.security.auth.login.LoginException: Login failed:
>> /sw/bin/whoami: cannot find name for user ID 501
>>
>> What might be causing this to occur? Manually running /sw/bin/whoami
>> as the user in question returns the corresponding username.
>>
>> 							L.G.
>>
>>
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 101tec Inc.
> Menlo Park, California, USA
> http://www.101tec.com
>
>

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