Aljoscha Krettek updated FLINK-6805:
    Fix Version/s: 1.4.0

> Flink Cassandra connector dependency on Netty disagrees with Flink
> ------------------------------------------------------------------
>                 Key: FLINK-6805
>                 URL: https://issues.apache.org/jira/browse/FLINK-6805
>             Project: Flink
>          Issue Type: Bug
>          Components: Cassandra Connector
>    Affects Versions: 1.3.0, 1.2.1
>            Reporter: Shannon Carey
>             Fix For: 1.4.0
> The Flink Cassandra connector has a dependency on Netty libraries (via 
> promotion of transitive dependencies by the Maven shade plugin) at version 
> 4.0.33.Final, which disagrees with the version included in Flink of 
> 4.0.27.Final which is included & managed by the parent POM via dependency on 
> netty-all.
> Due to use of netty-all, the dependency management doesn't take effect on the 
> individual libraries such as netty-handler, netty-codec, etc.
> I suggest that dependency management of Netty should be added for all Netty 
> libraries individually (netty-handler, etc.) so that all Flink modules use 
> the same version, and similarly I suggest that exclusions be added to the 
> quickstart example POM for the individual Netty libraries so that fat JARs 
> don't include conflicting versions of Netty.
> It seems like this problem started when FLINK-6084 was implemented: 
> transitive dependencies of the flink-connector-cassandra were previously 
> omitted, and now that they are included we must make sure that they agree 
> with the Flink distribution.

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