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Posted to yarn-dev@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2015/12/07 18:03:11 UTC

[jira] [Created] (YARN-4430) registry security validation can fail when downgrading to insecure would work

Steve Loughran created YARN-4430:
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             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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