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From "Alejandro Fernandez (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-15064) RU/EU can't start if hosts have name in MixedCASE in configs for NameNode, HBASE Master, ResourceManager
Date Tue, 16 Feb 2016 21:42:18 GMT
Alejandro Fernandez created AMBARI-15064:
--------------------------------------------

             Summary: RU/EU can't start if hosts have name in MixedCASE in configs for NameNode,
HBASE Master, ResourceManager
                 Key: AMBARI-15064
                 URL: https://issues.apache.org/jira/browse/AMBARI-15064
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server
    Affects Versions: 2.2.0
            Reporter: Alejandro Fernandez
            Assignee: Alejandro Fernandez
             Fix For: 2.2.2


RU/EU tries to resolve the hostnames for NameNode, HBASE Master, and ResourceManager by using
MasterHostResolver.java, which queries configs and then JMX.

Ambari DB stores the hostnames in all lowercase, so if the configs or JMX store the hostnames
in a different case, then Ambari will throw an exception that the host could not be found.

To fix this, convert all hostnames to lowercase.



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