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Thanks for your interest in helping to vote on a release candidate.  First it is a good idea to review http://nifi.apache.org/release-guide.html.  This page provides important background material to understand the mechanics and meaning of a release.  It explains how things like +1, -1, 0, binding, and non binding votes work.  With the above in mind lets dive right into the main steps in reviewing a release candidate of Apache NiFi (note the steps for NiFi Registry, MiNiFi, etc.. may differ).

Please find the associated guidance to help those interested in validating/verifying the release so they can vote.

Download latest KEYS file

wget https://dist.apache.org/repos/dist/dev/nifi/KEYS

wget for Windows can be found here.

Import keys file

gpg --import KEYS

On Windows cmder includes gpg.

[optional] Clear out local maven artifact repository

rm -rf ~/.m2/repository/*

Pull down nifi-1.23.1 source release artifacts for review

wget https://dist.apache.org/repos/dist/dev/nifi/nifi-1.23.1/nifi-1.23.1-source-release.zip
wget https://dist.apache.org/repos/dist/dev/nifi/nifi-1.23.1/nifi-1.23.1-source-release.zip.asc
wget https://dist.apache.org/repos/dist/dev/nifi/nifi-1.23.1/nifi-1.23.1-source-release.zip.sha256
wget https://dist.apache.org/repos/dist/dev/nifi/nifi-1.23.1/nifi-1.23.1-source-release.zip.sha512

Verify the signature

gpg --verify -v nifi-1.23.1-source-release.zip.asc

Verify the hashes (sha256, sha512) match the source and what was provided in the vote email thread

shasum -a 256 nifi-1.23.1-source-release.zip
shasum -a 512 nifi-1.23.1-source-release.zip

On Windows
certutil -hashfile nifi-1.23.1-source-release.zip SHA256
certutil -hashfile nifi-1.23.1-source-release.zip SHA512

Unzip nifi-1.23.1-source-release.zip

unzip -DD nifi-1.23.1-source-release.zip

Verify the build works and passes licensing and style checks

Use Maven Wrapper to build using the currently configured Maven version. The Maven Wrapper script is named mvnw for Linux and macOS, and mvnw.cmd for Windows.

cd nifi-1.23.1

For Linux or macOS:

./mvnw -T 1C clean install -Pcontrib-check

For Windows

mvnw.cmd -T 1C clean install -Pcontrib-check

Further checks:

  • Verify the contents contain a good README, NOTICE, and LICENSE.
  • Verify the git commit ID is correct
  • Verify the RC was branched off the correct git commit ID
  • Look at the resulting convenience binaries as found in:
    • nifi-assembly/target
    • nifi-registry/nifi-registry-assembly/target
    • nifi-toolkit/nifi-toolkit-assembly/target
    • minifi/minifi-assembly/target
  • Make sure the README, NOTICE, and LICENSE are present and correct
  • Run the resulting convenience binary and make sure it works as expected
  • Send a response to the vote thread indicating a +1, 0, -1 based on your findings.


Thank you for your time and effort to validate the release!

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