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https://issues.apache.org/jira/browse/FLINK-27884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17545770#comment-17545770
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Etienne Chauchot commented on FLINK-27884:
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First difficulty that I can see is with guava dep and shading: cassandra uses
_com.google.guava:guava:jar:18.0_ but flink-core for common io uses
{_}org.apache.flink:flink-shaded-guava:jar:30.1.1-jre-15.0{_}. The problem is
that if we promote the flush mechanism to common io there will be in the core
an abstract _send()_ method that returns a guava _ListenableFuture_ and that is
implemented in the connector modules such as cassandra. As a consequence the
two incompatible guava _ListenableFuture_ will conflict.
> Introduce a flush mechanism for OutputFormats
> ---------------------------------------------
>
> Key: FLINK-27884
> URL: https://issues.apache.org/jira/browse/FLINK-27884
> Project: Flink
> Issue Type: New Feature
> Components: Connectors / Common
> Reporter: Etienne Chauchot
> Priority: Major
>
> This ticket is a generalization of
> [FLINK-27457|https://issues.apache.org/jira/browse/FLINK-27457]
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