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From Josh Elser <josh.el...@gmail.com>
Subject Re: Phoenix + Spark + JDBC + Kerberos?
Date Thu, 15 Sep 2016 17:07:27 GMT
How do you expect JDBC on Spark Kerberos authentication to work? Are you 
using the principal+keytab options in the Phoenix JDBC URL or is Spark 
itself obtaining a ticket for you (via some "magic")?

Jean-Marc Spaggiari wrote:
> Hi,
>
> I tried to build a small app all under Kerberos.
>
> JDBC to Phoenix works
> Client to HBase works
> Client (puts) on Spark to HBase works.
> But JDBC on Spark to HBase fails with a message like "GSSException: No
> valid credentials provided (Mechanism level: Failed to
> find any Kerberos tgt)]"
>
> Keytab is accessible on all the nodes.
>
> Keytab belongs to the user running the job, and executors are running
> under that user name. So this is fine.
>
> Any idea of that this might be?
>
> Thanks,
>
> JMS

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