Daryn Sharp created HDFS-4493:
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Summary: webhdfs fails after SPNEGO token expires
Key: HDFS-4493
URL: https://issues.apache.org/jira/browse/HDFS-4493
Project: Hadoop HDFS
Issue Type: Bug
Components: webhdfs
Affects Versions: 2.0.0-alpha, 0.23.0, 3.0.0
Reporter: Daryn Sharp
Priority: Critical
Webhdfs assumes that SPNEGO's {{AuthenticationException}} is always fatal. The
exception is thrown if authentication truly fails due to bad credentials, _but_
it's also thrown when the auth token expires after 10h. The retry policies are
short-circuited and the fs becomes unusable which is unsuitable for long
running processes/daemons.
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