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https://issues.apache.org/jira/browse/FLINK-24707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17437292#comment-17437292
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David Morávek commented on FLINK-24707:
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Yes, it would, but we can not do it, because the fix needs to be backported (to
1.14.x and 1.13.x) and we can not introduce a breaking change (removal of
3.4.x) in a patch version.
> Upgrade Curator framework dependecy.
> ------------------------------------
>
> Key: FLINK-24707
> URL: https://issues.apache.org/jira/browse/FLINK-24707
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Coordination
> Reporter: David Morávek
> Priority: Major
> Fix For: 1.15.0
>
>
> We want to upgrade curator to latest version, to avoid working around
> non-idempotent writes.
> https://issues.apache.org/jira/browse/CURATOR-584
> Main reason for not doing this in patch release as part of FLINK-24543 is
> that this effectively drops support for Zookeeper 3.4.x.
> The very last past release two 3.4.x branch was more then two years ago (2
> April, 2019) and there are already three newer minor versions available
> (3.5.x,3.6.x,3.7.x).
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