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https://issues.apache.org/jira/browse/HDFS-11168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15691809#comment-15691809
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Andrew Wang commented on HDFS-11168:
------------------------------------

bq. The target is trunk. We may skip branch-2.

Okay. Could you please set a target version? Also please update the JIRA 
summary with the precise version of Netty that we are upgrading to.

bq. Why? The imports are fixed automatically by IDE. I think we should not 
spend time on fixing imports manually.

Couple reasons:

* Wildcard imports pollute the namespace
* It makes it unclear what classes are being added or removed for changes like 
this
* An IDE will do the imports for you. If you increase the auto-wildcard 
threshold in your IDE to a large value, you just delete the wildcard import and 
hit the IDE shortcut.

> Bump Netty 4 version
> --------------------
>
>                 Key: HDFS-11168
>                 URL: https://issues.apache.org/jira/browse/HDFS-11168
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Tsz Wo Nicholas Sze
>         Attachments: h11168_20161122.patch, h11168_20161123.patch, 
> h11168_20161123b.patch
>
>
> The current Netty 4 version is 4.1.0.Beta5.  We should bump it to a non-beta 
> version.



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