[jira] [Updated] (HDFS-4493) webhdfs fails after SPNEGO token expires

["Andrew Wang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-4493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Wang updated HDFS-4493:
------------------------------
    Priority: Major  (was: Critical)

I'm downgrading this to major so it stops showing up on the release dashboard, please re-upgrade if it is in fact critical.

> 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: 0.23.0, 2.0.0-alpha, 3.0.0-alpha1
>            Reporter: Daryn Sharp
>
> 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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