Xiaoyu Yao created HDFS-12728:
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Summary: Improve KMSClientProvider log around delegation token
checking
Key: HDFS-12728
URL: https://issues.apache.org/jira/browse/HDFS-12728
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 2.7.3
Reporter: Xiaoyu Yao
Assignee: Xiaoyu Yao
KMSClientProvider#containsKmsDt uses SecurityUtil.buildTokenService(addr) to
build the key to look for KMS-DT from the UGI's token map. The token lookup key
here varies depending on the KMSClientProvider's configuration value for
hadoop.security.token.service.use_ip. In certain cases, the token obtained with
non-matching hadoop.security.token.service.use_ip setting will not be
recognized by KMSClientProvider. This ticket is opened to improve logs for
troubleshooting KMS delegation token related issues like this.
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