[jira] [Created] (IMPALA-5290) Impala service fails to start up after enabling Kerberos with uppercase hostnames

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

Miklos Szurap created IMPALA-5290:
-------------------------------------

             Summary: Impala service fails to start up after enabling Kerberos with uppercase hostnames
                 Key: IMPALA-5290
                 URL: https://issues.apache.org/jira/browse/IMPALA-5290
             Project: IMPALA
          Issue Type: Bug
    Affects Versions: Impala 2.8.0
            Reporter: Miklos Szurap


After enabling Kerberos, Impala service may not start up properly if hostname contains uppercased hostnames. StateStore starts, however subscribers (catalog server, impala daemons) fail to authenticate internally, as the hostname is assumed to be in lowercase.
StateStore logs:
{noformat}
Apr 19, 9:45:16.780 AM INFO logging.cc:153
Flags (see also /varz are on debug webserver):
--hostname=MYHOSTNAME
...
--principal=impala/MYHOSTNAME.fqdn.net@MYDOMAIN.NET
...
Apr 19, 9:45:16.784 AM INFO thrift-server.cc:445
ThriftServer 'StatestoreService' started on port: 24000
Apr 19, 9:45:19.259 AM ERROR authentication.cc:155
SASL message (Kerberos (internal)): GSSAPI Error: Unspecified GSS failure. Minor code may provide more information ()
{noformat}

Uppercased hostnames caused issues in other parts of Hadoop, but was fixed in HADOOP-7988.



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