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https://issues.apache.org/jira/browse/TINKERPOP-2262?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16957826#comment-16957826
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Stephen Mallette commented on TINKERPOP-2262:
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probably doesn't apply. can't see us moving to 4.1.x there at this point. 
wonder how many more releases we'll even see on 3.3.x. would really like to 
turn attention to 3.5.0 at this point and don't want to juggle three branches.

> Improve Netty protocol handling
> -------------------------------
>
>                 Key: TINKERPOP-2262
>                 URL: https://issues.apache.org/jira/browse/TINKERPOP-2262
>             Project: TinkerPop
>          Issue Type: Improvement
>          Components: driver, server
>    Affects Versions: 3.3.7, 3.4.2
>            Reporter: Divij Vaidya
>            Priority: Major
>
> 4.1.37 adds [https://github.com/netty/netty/pull/9116] which is critical to 
> the stability of the Java Client.
> After the upgrade a follow-up task would :
> 1. change the Java Client to set the newly introduced flag  
> "closeOnProtocolViolation" to false. This would prevent causing all the other 
> requests using the same channel to fail when a single request causes a 
> protocol violation.
> 2. introduce the protocol exception error handling code on the client to 
> handle protocol violation exceptions. Currently, the code force replaces the 
> channel, thus closing all the other requests being served on the channel.[
> https://netty.io/news/2019/06/28/4-1-37-Final.html]



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