[jira] [Created] (DRILL-8321) Change kafka_2.13 dependency scope to test

["Maksym Rymar (Jira)" <ji...@apache.org>]

Maksym Rymar created DRILL-8321:
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             Summary: Change kafka_2.13 dependency scope to test 
                 Key: DRILL-8321
                 URL: https://issues.apache.org/jira/browse/DRILL-8321
             Project: Apache Drill
          Issue Type: Task
    Affects Versions: 1.20.2
            Reporter: Maksym Rymar
            Assignee: Maksym Rymar
             Fix For: 2.0.0


Drill has 2 scala dependencies:
 * {{org.apache.kafka.kafka_2.13}}

 * {{com.madhukaraphatak.java-sizeof_2.11}}

which are targets on different scala versions 2.13 and 2.11. But Scala has no backward compatibility for major releases, so we can’t have 2 libraries compiled on various versions of scala.

To solve the issue there are only 2 ways:
 # Compile both libraries on the same major Scala version.

 # Remove one of the libraries from Drill

{{kafka_2.13}} is server side (kafka’s server side) dependency and is unnecessary on the client side (Drill). Probably, it was added carelessly to Drill to a compile scope, while it is necessary only in a test scope.

So {{kafka_2.13}} can be removed from compile scope. It will reduce the Drill package size and the main – it will solve scala version conflict.



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