[jira] [Commented] (HDFS-16761) Namenode UI for Datanodes page not loading if any data node is down

[ASF GitHub Bot (Jira)]

    [ 
https://issues.apache.org/jira/browse/HDFS-16761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17688787#comment-17688787
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ASF GitHub Bot commented on HDFS-16761:
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ayushtkn commented on PR #5390:
URL: https://github.com/apache/hadoop/pull/5390#issuecomment-1430673981

   Was just gonna hit the merge button, so thought of just trying and 
reproducing this issue locally as well. But it didn't repro
   <img width="1242" alt="image" 
src="https://user-images.githubusercontent.com/25608848/218913802-65e390ed-4f9e-445b-846a-f9dd1e8542d7.png";>
   The dead datanode row has one less column red, but it isn't going to the 
startup page as the original ticket mentioned. Anyone with any pointers?
   
   The change is this PR is still relevant I think, but just curious if the 
issue reported is correct or not, so we can change the title and then merge




> Namenode UI for Datanodes page not loading if any data node is down
> -------------------------------------------------------------------
>
>                 Key: HDFS-16761
>                 URL: https://issues.apache.org/jira/browse/HDFS-16761
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 3.2.2
>            Reporter: Krishna Reddy
>            Assignee: Zita Dombi
>            Priority: Major
>              Labels: pull-request-available
>
> Steps to reproduce:
> - Install the hadoop components and add 3 datanodes
> - Enable namenode HA 
> - Open Namenode UI and check datanode page 
> - check all datanodes will display
> - Now make one datanode down
> - wait for 10 minutes time as heartbeat expires
> - Refresh namenode page and check
>  
> Actual Result: It is showing error message "NameNode is still loading. 
> Redirecting to the Startup Progress page."



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