Arpit Agarwal created HADOOP-12664:
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Summary: UGI auto-renewer does not verify kinit availability
during initialization
Key: HADOOP-12664
URL: https://issues.apache.org/jira/browse/HADOOP-12664
Project: Hadoop Common
Issue Type: Improvement
Reporter: Arpit Agarwal
Priority: Minor
UGI auto-renewer does not verify that {{hadoop.kerberos.kinit.command}} is in
the path during initialization. If not available, the auto-renewal thread will
hit an error during TGT renewal. We recently saw a case where it manifests as
transient errors during client program execution which can be hard to track
down without UGI logging.
It seems like {{kinit}} availability should be verified during initialization
to make the behavior more predictable.
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