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https://issues.apache.org/jira/browse/CASSANDRA-18106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17697016#comment-17697016
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Michael Semb Wever commented on CASSANDRA-18106:
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The former needs jdk8, the latter will need jdk11.

bq. Are you saying we need a way to switch inside while running the matrix, so 
both these scenarios can run with their respective JDKs?

Correct.

bq. And that is where running them twice comes in, but they filter out invalid 
JDKs?

Correct. But just an idea to put options on the table.

> Update CCM for JDK17 and revise current JDK detection strategy
> --------------------------------------------------------------
>
>                 Key: CASSANDRA-18106
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-18106
>             Project: Cassandra
>          Issue Type: Task
>          Components: CI
>            Reporter: Ekaterina Dimitrova
>            Assignee: Brandon Williams
>            Priority: Normal
>             Fix For: 4.x
>
>         Attachments: Screenshot 2023-03-03 at 09.24.50.png
>
>
> As part of CASSANDRA-16895 initial POC an initial version of CCM patch was 
> created. This needs to be revisited and reviewed
> Recently we closed CASSANDRA-18039 which brought questions, probably we need 
> to revise how we detect JDK versions in CCM and whether it is correct. To the 
> best of my knowledge there are certain tests in the repo around that and they 
> pass so my guess is we need to revise just the strategy and maybe document it 
> explicitly or consider if we want any changes to be applied. Also, we need to 
> be careful with breaking changes. 



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