Xiao Chen created HADOOP-13590:
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Summary: Retry until TGT expires even if the UGI renewal thread
encountered exception
Key: HADOOP-13590
URL: https://issues.apache.org/jira/browse/HADOOP-13590
Project: Hadoop Common
Issue Type: Improvement
Affects Versions: 0.22.0
Reporter: Xiao Chen
Assignee: Xiao Chen
The UGI has a background thread to renew the tgt. On exception, it [terminates
itself|https://github.com/apache/hadoop/blob/bee9f57f5ca9f037ade932c6fd01b0dad47a1296/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java#L1013-L1014]
If something temporarily goes wrong that results in an IOE, even if it
recovered no renewal will be done and client will eventually fail to
authenticate. We should retry with our best effort, until tgt expires, in the
hope that the error recovers before that.
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