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https://issues.apache.org/jira/browse/HDFS-8561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14578199#comment-14578199
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Arpit Agarwal commented on HDFS-8561:
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Effectively a regression since 2.6, although 2.6 was broken differently.
One way to fix it is have checkNNState throw RetriableException and also fix
the default retry policy.
> 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
>
> {{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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