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https://issues.apache.org/jira/browse/HDDS-4731?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Glen Geng updated HDDS-4731:
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    Attachment: 截屏2021-01-21 下午7.24.01.png

> Fix compatibility issue caused by new add enum 
> DatanodeDetails.Port.Name.REPLICATION
> ------------------------------------------------------------------------------------
>
>                 Key: HDDS-4731
>                 URL: https://issues.apache.org/jira/browse/HDDS-4731
>             Project: Hadoop Distributed Data Store
>          Issue Type: Bug
>          Components: Ozone Datanode
>            Reporter: Glen Geng
>            Priority: Major
>         Attachments: 截屏2021-01-21 下午7.24.01.png
>
>
> In tencent, we monthly deploy latest master to our production environment.
> When running an upgrade test from old ozone version (at Dec 14 2020) to new 
> ozone version (at Jun 14 2021), testDFSIO using jars of old ozone can not 
> write to the new ozone cluster, met the error that 
> No enum constant 
> org.apache.hadoop.hdds.protocol.DatanodeDetails.Port.Name.REPLICATION
>  
>  



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