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build: upgrade Spark 4.1 to 4.1.2#4399

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manuzhang:codex/upgrade-spark-4.1.2
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build: upgrade Spark 4.1 to 4.1.2#4399
manuzhang wants to merge 2 commits into
apache:mainfrom
manuzhang:codex/upgrade-spark-4.1.2

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@manuzhang manuzhang commented May 22, 2026

Which issue does this PR close?

Closes #4380.

Rationale for this change

Spark 4.1 support should track the latest Spark 4.1 patch release. This updates
Comet's Spark 4.1 build, test, Docker, and documentation references from Spark
4.1.1 to Spark 4.1.2.

What changes are included in this PR?

  • Bumps the Spark 4.1 Maven profile and default Spark version to 4.1.2.
  • Updates Spark SQL CI to run against Spark 4.1.2.
  • Replaces the Spark SQL test patch from dev/diffs/4.1.1.diff with
    dev/diffs/4.1.2.diff generated from Spark v4.1.2.
  • Updates Kubernetes Docker image tags and user/contributor documentation
    references.

How are these changes tested?

  • git apply --check /Users/manuzhang/git/datafusion-comet/dev/diffs/4.1.2.diff
    against a clean Spark v4.1.2 checkout.
  • ./mvnw -B install -DskipTests -Dmaven.test.skip=true -Pspark-4.1
  • rg -n "4\\.1\\.1" . with historical changelog and generated-output
    exclusions.

Note: the local pre-commit hook was attempted but its Spark 4.1 scalafix phase is
blocked by the known unpublished semanticdb-scalac_2.13.17 artifact; the
targeted Spark 4.1 Maven build above passed.


Co-authored-by: @codex

manuzhang and others added 2 commits May 22, 2026 10:48
Updates the Spark 4.1 Maven profile, Docker image, docs, and Spark SQL test diff to Spark 4.1.2.

Co-authored-by: Codex <codex@openai.com>
Merged upstream/main into the PR branch and resolved the Spark SQL diff conflict by keeping the Spark 4.1.2 patch aligned with the updated upstream Spark SQL test diff.

Co-authored-by: Codex <codex@openai.com>
@manuzhang manuzhang changed the title [codex] Upgrade Spark 4.1 to 4.1.2 build: upgrade Spark 4.1 to 4.1.2 May 22, 2026
@manuzhang manuzhang marked this pull request as ready for review May 22, 2026 03:01
@manuzhang manuzhang closed this May 22, 2026
@manuzhang manuzhang reopened this May 22, 2026
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Upgrade Spark 4.1.1 to 4.1.2

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