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https://issues.apache.org/jira/browse/HDFS-8561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14579705#comment-14579705
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Jing Zhao commented on HDFS-8561:
---------------------------------

Thanks for working on this, Arpit! The v2 patch looks good to me. +1 pending 
Jenkins.

> checkNNStartup should throw a RetriableException
> ------------------------------------------------
>
>                 Key: HDFS-8561
>                 URL: https://issues.apache.org/jira/browse/HDFS-8561
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.7.0
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>            Priority: Critical
>         Attachments: HDFS-8561.01.patch, HDFS-8561.02.patch
>
>
> {{checkNNStartup}} currently throws an {{IOException}} if services have not 
> yet been started.
> This propagates as a RemoteException to the client which is not retriable 
> with the default retry policy in RetryUtils.



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