[jira] [Commented] (AMBARI-21232) Determination of defaultFS with WebHDFS enabled

["Swapan Shridhar (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMBARI-21232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16214648#comment-16214648 ] 

Swapan Shridhar commented on AMBARI-21232:
------------------------------------------

Closing it off. CC [~mradhakrishnan]

> Determination of defaultFS with WebHDFS enabled
> -----------------------------------------------
>
>                 Key: AMBARI-21232
>                 URL: https://issues.apache.org/jira/browse/AMBARI-21232
>             Project: Ambari
>          Issue Type: Improvement
>          Components: ambari-views
>    Affects Versions: 2.4.0
>            Reporter: Sridhar Sailappan
>            Assignee: Madhuvanthi Radhakrishnan
>             Fix For: 2.6.0
>
>         Attachments: Patch_AmbariViewUtils_WebHDFS.txt
>
>
> In Ambari View Utils , the determination logic for the value of defaultFS when WebHDFS is enabled, needs to consider the current property value of defaultFS. Please see attached patch for the context.
> If the existing configuration for the defaultFS URI already has the protocol specified as webhdfs or swebhdfs, the URI should be used as provided and a new value should not be constructed. Constructing a new value in a such a scenario may lead to unexpected behavior if the Namenode has different host-port settings for the HTTP and WebHDFS access.
> The patch also addresses the following code cleanup:
> 1)	Fix variable names httpAddr and httpsAddr (current implementation has the naming interchanged) 
> 2)	Add null value check for httpAddr before assignment to hostWithPort
> 3)	Fix typo in variable names - DFS_NAMENODE_HTTP_ADDRESS and DFS_NAMENODE_HTTPS_ADDRESS



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