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From "Shannon Carey (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-6805) Flink Cassandra connector dependency on Netty disagrees with Flink
Date Thu, 01 Jun 2017 19:20:04 GMT
Shannon Carey created FLINK-6805:

             Summary: 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: 1.2.1, 1.3.0
            Reporter: Shannon Carey

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.

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