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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-4069) Services failing to renew Kerberos ticket
Date Thu, 03 Dec 2015 16:19:11 GMT


ASF GitHub Bot commented on ACCUMULO-4069:

Github user joshelser commented on the pull request:
    Thanks for taking a look, @ohshazbot!

> Services failing to renew Kerberos ticket
> -----------------------------------------
>                 Key: ACCUMULO-4069
>                 URL:
>             Project: Accumulo
>          Issue Type: Bug
>          Components: gc, master, monitor, tserver
>    Affects Versions: 1.5.4, 1.6.4, 1.7.0
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>            Priority: Blocker
>              Labels: kerberos
>             Fix For: 1.6.5, 1.7.1, 1.8.0
> Got a report from a user that Accumulo services were dying after a period of time that
was suspiciously similar to the Kerberos ticket lifetime.
> A Kerberos ticket lifetime is the amount of time that the ticket is valid (obtained from
password or keytab). There is also a renewable lifetime associate with each ticket. Within
the renewable lifetime duration, clients can "renew" their ticket for another "ticket lifetime"
duration. For each, a lifetime of one day and a renewable lifetime of seven days: a ticket
is valid for one day, but clients can renew that ticket up to 6 days after the original ticket
> I do recall seeing a line of code in our services that has a comment saying it should
spawn a thread specifically for this purpose, but I don't ever recall seeing that thread in
thread dumps. My hunch is that the thread just isn't getting launched and we're not doing

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