[jira] [Commented] (KNOX-626) NameNode UI through Knox has various tabs not working

["Larry McCay (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KNOX-626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16102596#comment-16102596 ] 

Larry McCay commented on KNOX-626:
----------------------------------

I've attached a patch to change the parsing of the query string done through HttpUtils.
While it seems that the specific issue reported here in the last comment from [~sumit.gupta] is certainly wrong parsing behavior, I am concerned that I had to change many of the tests in HttpUtilsTest to accommodate what I expect to be proper semantics.

The fact there are tests for very specific patterns makes me concerned that they were encountered in proxying of UIs or something.

I would really appreciate a review from someone as a sanity check.

> NameNode UI through Knox has various tabs not working
> -----------------------------------------------------
>
>                 Key: KNOX-626
>                 URL: https://issues.apache.org/jira/browse/KNOX-626
>             Project: Apache Knox
>          Issue Type: Bug
>          Components: Server
>    Affects Versions: 0.7.0
>            Reporter: Sumit Gupta
>            Assignee: Larry McCay
>             Fix For: 0.13.0
>
>         Attachments: KNOX-626-001.patch
>
>
> When using the HDFSUI service, the proxied NameNode UI does not function correctly for the following tabs, Overview, Datanodes, Datanode volume failures and Snapshot. 
> The message 'NameNode is still loading. Redirecting to the Startup Progress page.' appears on the default page and the Startup Progress tab is seen. The Utilities and File Browsing seem to work well.
> example service config in topology
> {code}
> <service>
>         <role>HDFSUI</role>
>         <url>http://localhost:50070/</url>
> </service>
> {code}



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