[jira] [Updated] (AMBARI-20354) Files View: In non-HA environment, Files view executes with error when "List of NameNodes" property is cleared

["Sangeeta Ravindran (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-20354?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sangeeta Ravindran updated AMBARI-20354:
----------------------------------------
    Status: Patch Available  (was: Open)

> Files View: In non-HA environment, Files view executes with error when "List of NameNodes" property is cleared
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-20354
>                 URL: https://issues.apache.org/jira/browse/AMBARI-20354
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-views
>    Affects Versions: 2.5.0
>            Reporter: Sangeeta Ravindran
>            Assignee: Sangeeta Ravindran
>            Priority: Minor
>             Fix For: trunk
>
>         Attachments: AMBARI-20354_trunk.patch
>
>
> 1. In a multi-node cluster where namenode HA is not enabled, create a Files View. Select Custom Configuration and enter the WebHDFS FileSystem URI*. In the "List of NameNodes", enter the namenode information. Save and execute view. There are no errors.
> 2. Edit the view and delete the values entered in the "List of NameNodes" field. Save and execute the view. 
> The following error is thrown although Namenode HA is not enabled.
> Service 'hdfs' check failed: HDFS080 webhdfs.ha.namenodes.list namenodes count is not exactly 2



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