Github user joshelser commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/57#discussion_r46572253
--- Diff:
server/base/src/main/java/org/apache/accumulo/server/security/SecurityUtil.java
---
@@ -93,4 +95,41 @@ public static String getServerPrincipal(String
configuredPrincipal) {
throw new RuntimeException("Could not convert configured server
principal: " + configuredPrincipal, e);
}
}
+
+ /**
+ * Start a thread that periodically attempts to renew the current
Kerberos user's ticket.
+ *
+ * @param ugi
+ * The current Kerberos user.
+ * @param renewalPeriod
+ * The amount of time between attempting renewals.
+ */
+ static void startTicketRenewalThread(final UserGroupInformation ugi,
final long renewalPeriod) {
+ Thread t = new Daemon(new LoggingRunnable(renewalLog, new Runnable() {
--- End diff --
`SecuityUtil#serverLogin(AccumuloConfiguration)` aborts quickly if we're
not actually running with Kerberos. So, no, this thread already won't run if
the servers aren't configured to run with Kerberos.
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