jackylee-ch opened a new pull request, #28141:
URL: https://github.com/apache/flink/pull/28141
## What is the purpose of the change
Add a non-blocking JDK 25 CI test lane to provide continuous visibility
into JDK 25 readiness, building on FLINK-38474 (java25-target profile) and the
compilation fixes already resolved under FLINK-37719.
This follows the same incremental approach used for JDK 17 (FLINK-15736)
and JDK 21 (FLINK-33163) support.
## Brief change log
- Install Zulu JDK 25 in `job_init` action (GHA runners only ship JDK
17/21)
- Add parallel JDK 25 lane in `ci.yml` with `continue-on-error: true`
- Add `workflow-caller-id` to disambiguate JDK 17 vs JDK 25 build artifacts
- Add `target.java.version=25` and `spotless.skip=true` to `java25-target`
profile
- Bound `-Djava.security.manager=allow` to JDK 18–23 in surefire profiles
and `config.sh` (JEP-486 permanently removes SecurityManager in JDK 24+)
## Verifying this change
This change is already covered by existing tests. The CI lane itself is
the verification — it will run the full test suite under JDK 25 in non-blocking
mode.
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): no
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: no
- The serializers: no
- The runtime per-record code paths (performance sensitive): no
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn, ZooKeeper: no
- The S3 file system connector: no
## Documentation
- Does this pull request introduce a new feature? no
- If yes, how is the feature documented? not applicable
##### Was generative AI tooling used to co-author this PR?
co-authed by Claude Code
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