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From joshelser <...@git.apache.org>
Subject [GitHub] accumulo pull request: ACCUMULO-4069 Ensure Kerberos relogins occu...
Date Thu, 03 Dec 2015 16:15:47 GMT
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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