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From Ismaël Mejía (JIRA) <>
Subject [jira] [Created] (BEAM-2727) Make Beam released artifacts reproducible
Date Fri, 04 Aug 2017 08:27:00 GMT
Ismaël Mejía created BEAM-2727:

             Summary: Make Beam released artifacts reproducible
                 Key: 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
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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