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https://issues.apache.org/jira/browse/CASSANDRA-17992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17624111#comment-17624111
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Ekaterina Dimitrova edited comment on CASSANDRA-17992 at 10/26/22 1:25 AM:
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[~norman] , do you think you can confirm for us the earliest netty version that 
supports JDK17? Or even point me in the docs if it is listed somewhere and I am 
missing it so I know for the next time where to look. Thanks in advance


was (Author: e.dimitrova):
[~norman] , do you think you can confirm for us the earliest netty version that 
supports JDK17? Or even point me in the docs if it is listed somewhere and I am 
missing so I know for the next time. Thanks in advance

> Upgrade Netty on 4.x(current trunk)
> -----------------------------------
>
>                 Key: CASSANDRA-17992
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-17992
>             Project: Cassandra
>          Issue Type: Task
>          Components: Dependencies
>            Reporter: Ekaterina Dimitrova
>            Priority: Low
>             Fix For: 4.x
>
>
> I haven't been able to identify from the Netty docs which was the lowest 
> version where JDK17 was added but we are about 40 versions behind in netty 4 
> so I suspect we better update. 
> We need to consider there was an issue with class cast exceptions when 
> building with JDK17 with newer versions of netty (the newest available in 
> March 2022). For the record, we didn't see those when running CI on JDK8 and 
> JDK11. We also need to carefully revision the changes between the netty 
> versions.
> Upgrading will cover also a fix that was discussed in 
> [this|https://the-asf.slack.com/archives/CK23JSY2K/p1665567660202989] ASF 
> Slack thread. 
> CC [~benedict] , [~aleksey] 



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