+1 (binding) after verifying as follows:

- verified gpg signature: OK [1]

- verified package checksum: OK [2]

- verified gradle build from sources: OK [3]

- building commit and running tests: OK [4]

- checked release notes: OK

- checked few modules in the Maven repository: OK

- checking difference in folder: OK [5]

- environment used (as per "./gradlew -version"):

Kotlin:       2.0.21

Groovy:       3.0.25

Ant:          Apache Ant(TM) version 1.10.15 compiled on August 25 2024

JVM:          17.0.16 (Microsoft 17.0.16+8-LTS)

OS:           Mac OS X 26.4.1 aarch64

Thanks to Francis and to all the contributors of the release!

Best regards,

Alessandro

[1]

$ curl "https://downloads.apache.org/calcite/KEYS"; | gpg --import

$ gpg --verify apache-calcite-avatica-1.28.0-src.tar.gz.asc
apache-calcite-avatica-1.28.0-src.tar.gz

[2]

$ diff <(cat apache-calcite-avatica-1.28.0-src.tar.gz.sha512) <(shasum -a
512 apache-calcite-avatica-1.28.0-src.tar.gz)

[3]

$ cp ~/git_upstream/calcite-avatica/gradlew .

$ cp -r ~/git_upstream/calcite-avatica/gradle/wrapper gradle

$ ./gradlew build -Prelease -PskipSign

[4]

$ ./gradlew build -Prelease -PskipSign

(checked CI on github for the commit)

[5]

$ diff -qr . ~/git_upstream/calcite-avatica | grep -v gradle | grep -v idea

(nothing worth mentioning)

---

Summary of verification results:

- GPG signature: Good signature from Francis Chuang

- SHA512 checksum: Matches

- Gradle build: BUILD SUCCESSFUL (2m 3s, 123 tasks)

- Tests: 363 completed, 0 failed (18 skipped)

- Release notes: Lists 7 changes (features, bug fixes, build improvements,
dependency upgrades). Includes a dedication to Istvan Toth

- Maven repository: All expected modules present (avatica-core,
avatica-server, etc.)

- Folder diff: Only expected differences (build output dirs, bundled
licenses/fonts in source vs git repo)

On Wed, 6 May 2026 at 01:43, Francis Chuang <[email protected]>
wrote:

> Hi all,
>
> I have created a build for Apache Calcite Avatica 1.28.0, release
> candidate 0.
>
> Thanks to everyone who has contributed to this release.
>
> You can read the release notes here:
>
> https://github.com/apache/calcite-avatica/blob/avatica-1.28.0-rc0/site/_docs/history.md
>
> The commit to be voted upon:
>
> https://gitbox.apache.org/repos/asf?p=calcite-avatica.git;a=commit;h=04bca23373086b9f9b8083422ea392e68bbc5162
>
> Its hash is 04bca23373086b9f9b8083422ea392e68bbc5162
>
> Tag:
>
> https://gitbox.apache.org/repos/asf?p=calcite-avatica.git;a=tag;h=refs/tags/avatica-1.28.0-rc0
>
> The artifacts to be voted on are located here:
>
> https://dist.apache.org/repos/dist/dev/calcite/apache-calcite-avatica-1.28.0-rc0
> (revision 84342)
>
> The hashes of the artifacts are as follows:
>
> e1ecce3042c20f262d0c968252bd60cae04978490a6348a8c2e6ed82ec4f9c4d7b82522a5784a0e2f68fd198c112fd76b89ff18fa113b7f91d0cda448d2f3e14
> *apache-calcite-avatica-1.28.0-src.tar.gz
>
> A staged Maven repository is available for review at:
>
> https://repository.apache.org/content/repositories/orgapachecalcite-1250/org/apache/calcite/
>
> Release artifacts are signed with the following key:
> https://people.apache.org/keys/committer/francischuang.asc
> https://www.apache.org/dist/calcite/KEYS
>
> To create the jars and test Apache Calcite Avatica: "gradle build
> -Prelease -PskipSign".
>
> If you do not have a Java/Gradle environment available, you can run the
> tests using docker. To do so, install docker and docker-compose, then
> run "docker-compose run test" from the root of the directory.
>
> Please vote on releasing this package as Apache Calcite Avatica 1.28.0.
>
> The vote is open for the next 72 hours and passes if a majority of at
> least three +1 PMC votes are cast.
>
> [ ] +1 Release this package as Apache Calcite Avatica 1.28.0
> [ ]  0 I don't feel strongly about it, but I'm okay with the release
> [ ] -1 Do not release this package because...
>
>
> Here is my vote:
>
> +1 (binding)
>
> Francis
>

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