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From "ac@hsk.hk" ...@hsk.hk>
Subject Re: Datanode: "Cannot start secure cluster without privileged resources"
Date Mon, 26 Nov 2012 13:03:23 GMT
Hi Harsh,

Thank you very much for your reply, got it!

Thanks
ac

On 26 Nov 2012, at 8:32 PM, Harsh J wrote:

> Secure DN needs to be started as root (it runs as proper user, but
> needs to be started as root to grab reserved ports), and needs a
> proper jsvc binary (for your arch/OS) available. Are you using
> tarballs or packages (and if packages, are they from Bigtop)?
> 
> On Mon, Nov 26, 2012 at 5:21 PM, ac@hsk.hk <ac@hsk.hk> wrote:
>> Hi,
>> 
>> I am setting up HDFS security with Kerberos:
>> When I manually started the first datanode, I got the following messages (the namenode
is started):
>> 
>> 1) INFO org.apache.hadoop.security.UserGroupInformation: Login successful for user
....
>> 2) ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: java.lang.RuntimeException:
Cannot start secure cluster without privileged resources.
>> 
>> OS: Ubuntu 12.04
>> Hadoop: 1.0.4
>> 
>> It seems that it could login successfully but something is missing
>> Please help!
>> 
>> Thanks
>> 
>> 
>> 
>> 
> 
> 
> 
> -- 
> Harsh J


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