Josh Elser created ACCUMULO-4069:
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Summary: Services failing to renew Kerberos ticket
Key: ACCUMULO-4069
URL: https://issues.apache.org/jira/browse/ACCUMULO-4069
Project: Accumulo
Issue Type: Bug
Components: gc, master, monitor, tserver
Affects Versions: 1.7.0
Reporter: Josh Elser
Assignee: Josh Elser
Priority: Blocker
Fix For: 1.7.1
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 expires.
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 renewals
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