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From "Alejandro Fernandez (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-9627) RU - NodeManager failed to restart in Kerberized clusters
Date Fri, 13 Feb 2015 15:29:11 GMT
Alejandro Fernandez created AMBARI-9627:
-------------------------------------------

             Summary: RU - NodeManager failed to restart in Kerberized clusters
                 Key: AMBARI-9627
                 URL: https://issues.apache.org/jira/browse/AMBARI-9627
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server
    Affects Versions: 2.0.0
            Reporter: Alejandro Fernandez
            Assignee: Alejandro Fernandez
             Fix For: 2.0.0


Node Manager failed to restart in a Kerberized cluster while performing a Rolling Upgrade.

I deployed a 3-node cluster with all services from HDDFS through ZK, then enabled Namenode
HA, and kerberized the cluster.

When I performed a RU from 2.2.0.0 GA bits to 2.2.1.0-2260, I first had to comment out an
error in ZK server, and when I got to the Slaves group, NodeManager failed. See attached log.

{code}
Fail: Execution of '/usr/bin/kinit -kt /etc/security/keytabs/nm.service.keytab nm/_HOST@EXAMPLE.COM;'
returned 1. kinit: Keytab contains no suitable keys for nm/_HOST@EXAMPLE.COM while getting
initial credentials
{code}

{code}
[root@c6404 ~]# klist -kt /etc/security/keytabs/nm.service.keytab
Keytab name: FILE:/etc/security/keytabs/nm.service.keytab
KVNO Timestamp         Principal
---- ----------------- --------------------------------------------------------
   1 02/12/15 23:23:29 nm/c6404.ambari.apache.org@EXAMPLE.COM
   1 02/12/15 23:23:29 nm/c6404.ambari.apache.org@EXAMPLE.COM
   1 02/12/15 23:23:29 nm/c6404.ambari.apache.org@EXAMPLE.COM
   1 02/12/15 23:23:29 nm/c6404.ambari.apache.org@EXAMPLE.COM
   1 02/12/15 23:23:29 nm/c6404.ambari.apache.org@EXAMPLE.COM
{code}

This means that params.py is probably missing to replace _HOST with the value.



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