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From "Dmitry Lysnichenko (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-18877) Ambari change hcat.proxy.hosts value during add service
Date Mon, 14 Nov 2016 17:28:58 GMT
Dmitry Lysnichenko created AMBARI-18877:
-------------------------------------------

             Summary: Ambari change hcat.proxy.hosts value during add service
                 Key: AMBARI-18877
                 URL: https://issues.apache.org/jira/browse/AMBARI-18877
             Project: Ambari
          Issue Type: Bug
            Reporter: Dmitry Lysnichenko
            Assignee: Dmitry Lysnichenko
         Attachments: AMBARI-18877.patch


Whenever user adds service to Ambari, the value "hadoop.proxyuser.hcat.hosts" got changed.
We should either prompt user if he is comfortable with the changes, or let it alone. In customer
environment, this values got changed to something different when he adds Accumulo, Kafka and
Knox.

After the initial install, the property hadoop.proxyuser.hcat.hosts = '*'
Then, Accumulo was installed using the Ambari Add Service Wizard. After Accumulo was installed,
the value of hadoop.proxyuser.hcat.hosts was 'baron2.example.org' (FQDN of second master node)
Then, Kafka was added using the Ambari Add Service Wizard. After Kafka was installed, the
value of hadoop.proxyuser.hcat.hosts was "baron1.example.org,baron2.example.org".
Then Knox was added using the Ambari Add Service Wizard. After Knox was installed, the value
of hadoop.proxyuser.hcat.hosts was 'baron1.example.org'. At this point the Hive Service Check
failed with an "Unauthorized connection for super-user: hcat" error. "

In the support lab, value was set to hcat host after cluster installation. I changed it to
* to match customer environments, and every time I add services it changed it back to hcat
host

BUSINESS IMPACT: If customer is using Ambari view or Hue, changing this configuration will
break them




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