Java UserGroupInformation.reloginFromKeytab Examples

Example #1

File: UserGroupInformation.java Project: sdgdsffdsfff/Inference

 /**
  * Re-login a user from keytab if TGT is expired or is close to expiry.
  *
  * @throws IOException
  */
 public synchronized void checkTGTAndReloginFromKeytab() throws IOException {
   // TODO: The method reloginFromKeytab should be refactored to use this
   //      implementation.
   if (!isSecurityEnabled()
       || user.getAuthenticationMethod() != AuthenticationMethod.KERBEROS
       || !isKeytab) return;
   KerberosTicket tgt = getTGT();
   if (tgt != null && System.currentTimeMillis() < getRefreshTime(tgt)) {
     return;
   }
   reloginFromKeytab();
 }