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From "Robert Levas" <>
Subject Review Request 36110: HCat Service Check warns keytab contains no suitable keys when Kerberos is enabled
Date Wed, 01 Jul 2015 22:08:08 GMT

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Review request for Ambari, Andrew Onischuk, Dmitro Lisnichenko, Emil Anca, and Tom Beerbower.

Bugs: AMBARI-12245

Repository: ambari


HCat Service Check (part of the Hive Service Check) fails in cluster where Kerberos is enabled:

Test connectivity to hive server
Waiting for the Hive server to start...
2015-07-01 18:39:17,173 - Execute['/usr/bin/kinit -kt /etc/security/keytabs/smokeuser.headless.keytab
ambari-qa-tezview@EXAMPLE.COM; '] {'user': 'ambari-qa'}
2015-07-01 18:39:17,321 - Execute['! beeline -u 'jdbc:hive2://;transportMode=binary;principal=hive/_HOST@EXAMPLE.COM'
-e '' 2>&1| awk '{print}'|grep -i -e 'Connection refused' -e 'Invalid URL''] {'path':
['/bin/', '/usr/bin/', '/usr/lib/hive/bin/', '/usr/sbin/'], 'user': 'ambari-qa', 'timeout':
Successfully connected to on port 10000
Successfully connected to Hive at on port 10000 after 6 seconds
2015-07-01 18:39:23,313 - File['/var/lib/ambari-agent/data/tmp/'] {'content':
StaticFile(''), 'mode': 0755}
2015-07-01 18:39:23,314 - Execute['/usr/bin/kinit -kt /etc/security/keytabs/smokeuser.headless.keytab
ambari-qa; env JAVA_HOME=/usr/jdk64/jdk1.8.0_40 /var/lib/ambari-agent/data/tmp/
hcatsmokeida8c06641_date390115 prepare'] {'logoutput': True, 'path': ['/usr/sbin', '/usr/local/bin',
'/bin', '/usr/bin', '/usr/sbin:/sbin:/usr/lib/ambari-server/*:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin:/var/lib/ambari-agent:/usr/hdp/current/hive-client/bin:/usr/hdp/current/hadoop-client/bin'],
'tries': 3, 'user': 'ambari-qa', 'try_sleep': 5}
kinit: Keytab contains no suitable keys for ambari-qa@EXAMPLE.COM while getting initial credentials
WARNING: Use "yarn jar" to launch YARN applications.
The issue appears to be the wrong principal name in the `kinit` command - note the missing
cluster name and realm in the principal name value.
/usr/bin/kinit -kt /etc/security/keytabs/smokeuser.headless.keytab ambari-qa
# Cause
The error is caused by the use of the wrong variable when generating the kinit command at
{kinit_path_local} -kt {smoke_user_keytab} {smokeuser}

# Solution
At common-services/HIVE/, change `smokeuser`
to `smokeuser_principal`.


  ambari-server/src/test/python/stacks/2.0.6/HIVE/ 5bf85fd 



Manually tested to ensure warning is no longer generated.

# Local test results: SUCCESS

# Jenkins test results: PENDING


Robert Levas

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