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From "Josh Elser (JIRA)" <>
Subject [jira] [Commented] (PHOENIX-3686) De-couple PQS's use of Kerberos to talk to HBase and client authentication
Date Fri, 24 Feb 2017 19:58:44 GMT


Josh Elser commented on PHOENIX-3686:

Actually, I should add a unit test for this one too. Should be able to get something given
what I already have in place..

> De-couple PQS's use of Kerberos to talk to HBase and client authentication
> --------------------------------------------------------------------------
>                 Key: PHOENIX-3686
>                 URL:
>             Project: Phoenix
>          Issue Type: New Feature
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>             Fix For: 4.10.0
>         Attachments: PHOENIX-3686.001.patch
> Was trying to help a user that was using
to talk to PQS. After upgrading Phoenix (to a version that actually included client authentication),
their application suddenly broke and they were upset.
> Because they were running Phoenix/HBase on a cluster with Kerberos authentication enabled,
they suddenly "inherited" this client authentication. AFAIK, the python-phoenixdb project
doesn't presently include the ability to authenticate via SPNEGO. This means a Phoenix upgrade
broke their app which stinks.
> This happens because, presently, when sees that HBase is configured for Kerberos auth
(via hbase-site.xml), it assumes that clients should be required to also authenticate via
Kerberos to it. In certain circumstances, users might not actually want to do this.
> It's a pretty trivial change I've hacked together which shows that this is possible,
and I think that, with adequate disclaimer/documentation about this property, it's OK to do.
As long as we are very clear about what exactly this configuration property is doing (allowing
*anyone* into your HBase instance as the PQS Kerberos user), it will unblock these users while
the various client drivers build proper support for authentication.

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