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Posted to issues@streampark.apache.org by "shangeyao (via GitHub)" <gi...@apache.org> on 2026/07/22 06:01:58 UTC

[I] [Flink] Migrate streampark-flink-client from Scala to Java [streampark]

shangeyao opened a new issue, #4452:
URL: https://github.com/apache/streampark/issues/4452

   ## Summary
   
   **Parent epic:** #4408  
   **Stage 2 — Job deployment (4/4)**
   
   Migrate `streampark-flink-client` from Scala to Java with **no behavior changes** (Stages 1–2) unless explicitly in Stage 3 scope.
   
   ## Module role
   
   Submit client — `FlinkClient`, Yarn/K8s/Local/Remote deploy & submit (~27 `.scala` files).
   
   ## Dependencies
   
   - **Depends on:** #4451 (`streampark-flink-kubernetes` migration must merge first)
   - **Blocks:** Stage 3
   
   > PRs within Stages 1–2 are **sequential** — do not start until the dependency issue is merged.
   
   ## Constraints
   
   - Follow Java architecture and idioms; keep package paths where possible
   - Each new Java class should have tests (or document why not) — PMC workflow on #4408
   - Preserve Console submit/cancel/deploy functional parity
   
   ## Acceptance
   
   - [ ] No `.scala` under `streampark-flink-client` (`src/main` and `src/test`)
   - [ ] Module builds and tests pass
   - [ ] Downstream modules compile (where applicable)
   
   ## References
   
   - Epic: #4408
   - Roadmap: #4410
   - JDK 11: #4409 / #4417 ✅
   - Dev framework removal: #4432 ✅
   


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Re: [I] [Flink] Migrate streampark-flink-client from Scala to Java [streampark]

Posted by "wolfboys (via GitHub)" <gi...@apache.org>.
wolfboys closed issue #4452: [Flink] Migrate streampark-flink-client from Scala to Java
URL: https://github.com/apache/streampark/issues/4452


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