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Hi folks, could you please review? @dongjoon-hyun @holdenk @huaxingao |
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Sure, @uros-b . |
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Thank you @dongjoon-hyun! |
szehon-ho
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Oct 28, 2026
### What changes were proposed in this pull request? Publish Apache Spark 4.2.1 to the Docker registry: - Generate Scala 2.13 images for Java 17, 21, and 25, with Scala, Python, R, and Python/R variants. - Register the 4.2.1 release signing key and add the build/test workflow. - Add 4.2.1 to the publish/test workflows and make it the default version. - Add versioned image tags and move the floating tags, including `latest`, to 4.2.1. The Dockerfiles and entrypoints are generated using `./add-dockerfiles.sh 4.2.1`. ### Why are the changes needed? Apache Spark 4.2.1 has been released: - https://github.com/apache/spark/releases/tag/v4.2.1 - https://spark.apache.org/docs/4.2.1/ - https://dist.apache.org/repos/dist/release/spark/spark-4.2.1/ This follows the release publication changes in #139 for Spark 4.1.4. ### Does this PR introduce _any_ user-facing change? Yes. Adds Spark 4.2.1 image tags and updates the floating tags to use 4.2.1. ### How was this patch tested? - Generated all 12 image variants with `./add-dockerfiles.sh 4.2.1`. - Checked the release signature's issuer fingerprint against Apache Spark KEYS and the public keyserver. - Validated JSON/YAML, unique image tags, preservation of existing versioned tags, floating tag ownership, and workflow matrices/defaults. - Checked all three generated entrypoints with `bash -n` and verified their executable permissions. - Ran the manifest tag generator and `git diff --check`. Docker is unavailable locally. Image builds and standalone/Kubernetes integration tests will run through the new Java 17/21/25 CI matrix. ### Was this patch authored or co-authored using generative AI tooling? Generated-by: Codex (GPT-6) Closes #141 from szehon-ho/codex/spark-4.2.1-docker. Authored-by: Szehon Ho <szehon.apache@gmail.com> Signed-off-by: Szehon Ho <szehon.apache@gmail.com>
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What changes were proposed in this pull request?
This PR aims to publish Apache Spark 4.1.4 to docker registry.
Why are the changes needed?
Apache Spark 4.1.4 is released.
Does this PR introduce any user-facing change?
No.
How was this patch tested?
Pass CI.
Was this patch authored or co-authored using generative AI tooling?
Generated-by: Claude Code (Opus 5.5)