[jira] [Created] (FLINK-2940) Deploy multiple Scala versions for Maven artifacts

["Maximilian Michels (JIRA)" <ji...@apache.org>]

Maximilian Michels created FLINK-2940:
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             Summary: Deploy multiple Scala versions for Maven artifacts
                 Key: FLINK-2940
                 URL: https://issues.apache.org/jira/browse/FLINK-2940
             Project: Flink
          Issue Type: Improvement
          Components: Build System
    Affects Versions: 0.9, 0.10
            Reporter: Maximilian Michels
             Fix For: 1.0


Flink implicitly defaults to Scala 2.10 at the moment. For 0.10 we already built Scala 2.11 artifacts but did not deploy them in the Maven repository. For the 1.0 release, multiple Scala versions should be offered via Maven.

The artifacts which depend on a version of Scala, should contain the Scala version in the artifact name. This is a common convention for Scala artifacts. For example, {{flink-scala}} should be renamed to {{flink-scala_2.10}} and there should be a {{flink-scala_2.11}} artifact as well.

Scala dependencies should be avoided where possible. For instance, {{flink-java}} depends on Chill which depends on a specific version of Scala. So we would have {{flink-java_2.10/11}}. We can either try to get rid of the Scala dependency for these modules or shade our version of Scala.. 



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