[jira] [Created] (BEAM-2727) Make Beam released artifacts reproducible

["Ismaël Mejía (JIRA)" <ji...@apache.org>]

Ismaël Mejía created BEAM-2727:
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             Summary: Make Beam released artifacts reproducible
                 Key: BEAM-2727
                 URL: https://issues.apache.org/jira/browse/BEAM-2727
             Project: Beam
          Issue Type: Improvement
          Components: build-system
    Affects Versions: Not applicable
            Reporter: Ismaël Mejía
            Assignee: Ismaël Mejía
            Priority: Minor


There is a recent movement to create a verifiable path from source code to binary releases in different open source projects. See http://reproducible-builds.org/
For the case of Java binaries (classes and jars) if we want to have a reproducible build we need to have a consistent build environment so we can reproduce those.

For Beam we need to create an environment with a fixed version of the Java compiler, maven and its plugins. This is addressed by BEAM-1534. But also by including the (JDK/Maven versions) used to generate the jar artifacts in the information to validate at the vote. Additionally we need to fix the Jar files because by default the maven-jar-plugin include the timestamp of the build in the files which breaks the reproducibility of the process, fortunately there is a Maven plugin that fixes this and that we can include in the release build.



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