UGI should not try to renew non-renewable kerberos tickets
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Key: HADOOP-6976
URL: https://issues.apache.org/jira/browse/HADOOP-6976
Project: Hadoop Common
Issue Type: Bug
Components: security
Affects Versions: 0.22.0
Reporter: Todd Lipcon
When UserGroupInformation logs in a user from the ticket cache, it spawns a
thread which renews the TGT ticket before it expires (HADOOP-6656). This
happens even for non-renewable tickets, which results in error messages being
printed to the console.
We should only try to renew the ticket if it has the "Renewable" flag.
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