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https://issues.apache.org/jira/browse/CASSANDRA-14004?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16245155#comment-16245155
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Thibault Kruse commented on CASSANDRA-14004:
--------------------------------------------

fair enough, close if you want. Might still be worth thinking about how to deal 
with future guava incompatibilities for cassandra 4.x +

> Increase Guava upstream version API compatibility
> -------------------------------------------------
>
>                 Key: CASSANDRA-14004
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14004
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Thibault Kruse
>            Priority: Minor
>
> Using cassandra-all as a java library has the downside that it uses guava 18 
> methods that have been removed from more recent guava versions, causing users 
> to be forced to stick with Guava <= 19.0.
> It would be nice for us if such method calls to guava could be replaced with 
> code of higher compatibility, for Casandra versions as far back as 3.0.x
> As an example replacing code like this
> Iterators.<RangeTombstone>emptyIterator()
> with
> Collections.emptyIterator()
> as done in
> https://github.com/krummas/cassandra/commits/marcuse/guava23
> Ensuring any cassandra-release is API compatible with several guava versions 
> is more painful, possibly a blacklist of method calls can be used via 
> checkstyle to reduce the risk of re-introducing version specific calls to 
> guava methods.
> Related to the Guava upgrade ticket: 
> https://issues.apache.org/jira/browse/CASSANDRA-13997



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