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https://issues.apache.org/jira/browse/HADOOP-17578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaoyu Yao updated HADOOP-17578:
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Status: Patch Available (was: Open)
> Improve UGI debug log to help troubleshooting 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
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> 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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