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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-4430) registry security validation can fail when downgrading to insecure would work
Date Mon, 07 Dec 2015 17:03:11 GMT
Steve Loughran created YARN-4430:
------------------------------------

             Summary: registry security validation can fail when downgrading to insecure would
work
                 Key: YARN-4430
                 URL: https://issues.apache.org/jira/browse/YARN-4430
             Project: Hadoop YARN
          Issue Type: Bug
          Components: yarn
    Affects Versions: 2.7.1
         Environment: Kerberos, java  7 & 8
            Reporter: Steve Loughran


The Registry ZK client code does a pre-emptive validation of registry security settings, in
the interest of being helpful when things fail.

But: sometimes it fails fast (see stack trace in SLIDER-993) when it could just warn and continue
-because if the registry is only being read, skipping SASL auth works



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