[jira] [Created] (HADOOP-8555) Incorrect Kerberos configuration

["Laxman (JIRA)" <ji...@apache.org>]

Laxman created HADOOP-8555:
------------------------------

             Summary: Incorrect Kerberos configuration
                 Key: HADOOP-8555
                 URL: https://issues.apache.org/jira/browse/HADOOP-8555
             Project: Hadoop Common
          Issue Type: Bug
          Components: security
    Affects Versions: 2.0.0-alpha, 2.0.1-alpha, 3.0.0
            Reporter: Laxman


When keytab is given ticket cache should not be considered.

Following configuration tries to use ticket cache even when keytab is configured. We need not configure ticket cache here.

org.apache.hadoop.security.authentication.server.KerberosAuthenticationHandler.KerberosConfiguration.getAppConfigurationEntry(String)
{code}
      options.put("keyTab", keytab);
      options.put("principal", principal);
      options.put("useKeyTab", "true");
      options.put("storeKey", "true");
      options.put("doNotPrompt", "true");
      options.put("useTicketCache", "true");
      options.put("renewTGT", "true");
      options.put("refreshKrb5Config", "true");
      options.put("isInitiator", "false");
      String ticketCache = System.getenv("KRB5CCNAME");
      if (ticketCache != null) {
        options.put("ticketCache", ticketCache);
      }
{code}


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