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Posted to common-issues@hadoop.apache.org by "Arpit Agarwal (JIRA)" <ji...@apache.org> on 2015/12/22 00:53:46 UTC

[jira] [Created] (HADOOP-12664) UGI auto-renewer does not verify kinit availability during initialization

Arpit Agarwal created HADOOP-12664:
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             Summary: UGI auto-renewer does not verify kinit availability during initialization
                 Key: HADOOP-12664
                 URL: https://issues.apache.org/jira/browse/HADOOP-12664
             Project: Hadoop Common
          Issue Type: Improvement
            Reporter: Arpit Agarwal
            Priority: Minor


UGI auto-renewer does not verify that {{hadoop.kerberos.kinit.command}} is in the path during initialization. If not available, the auto-renewal thread will hit an error during TGT renewal. We recently saw a case where it manifests as transient errors during client program execution which can be hard to track down without UGI logging.

It seems like {{kinit}} availability should be verified during initialization to make the behavior more predictable.



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