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Posted to commits@cassandra.apache.org by "Jason Brown (JIRA)" <ji...@apache.org> on 2017/11/09 02:15:01 UTC
[jira] [Commented] (CASSANDRA-14004) Increase Guava upstream
version API compatibility
[ https://issues.apache.org/jira/browse/CASSANDRA-14004?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16245117#comment-16245117 ]
Jason Brown commented on CASSANDRA-14004:
-----------------------------------------
[~tkruse] Sorry, but we are not going to go back and rewrite 3.0/3.11 just for guava upgrades. Those branches are essentially in bug-fix mode and not really for new features (which is what this ticket amounts to). The database itself is stable with the version of guava it ships with, and you will have a very difficult time convincing the maintainers to risk instability for the sake of external applications that actually pull in the database server code.
> 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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