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From "Pradeep Bhadani (JIRA)" <>
Subject [jira] [Created] (AMBARI-6453) Ambari Web UI should validate cluster name.
Date Thu, 10 Jul 2014 14:49:05 GMT
Pradeep Bhadani created AMBARI-6453:

             Summary: Ambari Web UI should validate cluster name.
                 Key: AMBARI-6453
             Project: Ambari
          Issue Type: Improvement
          Components: client
    Affects Versions: 1.6.1
            Reporter: Pradeep Bhadani
            Priority: Minor

Ambari Web UI should validate the Hadoop cluster name.

Best practices for choosing the cluster name is to avoid special character and white-spaces
. These validation should be there at Ambari Web UI level.

At present Ambari UI "text-box" for cluster name can accept special character like Underscore
( _ ).

If you create Cluster Name having underscore( _ ) , you cannot enable HA. 
Reference :

Also , we cannot change the cluster name of existing hadoop cluster.
Reference :
Above ticket is OPEN.

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