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Posted to common-issues@hadoop.apache.org by "Xiaoyu Yao (Jira)" <ji...@apache.org> on 2021/03/11 22:05:00 UTC

[jira] [Created] (HADOOP-17578) Improve UGI debug log to help troubleshoot TokenCache related issues

Xiaoyu Yao created HADOOP-17578:
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             Summary: Improve UGI debug log to help troubleshoot TokenCache related issues
                 Key: HADOOP-17578
                 URL: https://issues.apache.org/jira/browse/HADOOP-17578
             Project: Hadoop Common
          Issue Type: Bug
    Affects Versions: 3.2.0
            Reporter: Xiaoyu Yao
            Assignee: Xiaoyu Yao


We have seen some issues around TokenCache getDelegationToken failures even though the UGI already has a valid token. The tricky part is the token map is keyed by the canonical service name, which can be different from the actual service field in the token, e.g. KMS token in HA case. The current UGI log dumps all the tokens but not the keys of the token map. This ticket is opened to include the complete token map information in the debug log.  





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