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https://issues.apache.org/jira/browse/KNOX-3473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18116475#comment-18116475
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Arun Kumar M edited comment on KNOX-3473 at 9/17/26 7:42 PM:
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Upstream PR opened: [https://github.com/apache/knox/pull/1412]
Depends on: [https://github.com/apache/knox/pull/1411]
Branch: samuhasavak5:KNOX-3473-livy-for-spark4
Build: mvn -pl gateway-service-definitions,gateway-discovery-cm -am test
-DskipITs — BUILD SUCCESS (345/345 tests passed)
Manual validation: spark4knoxui cluster — Knox homepage "Livy for Spark 4" tile
verified; click-through to /livy_for_spark4/ works
Cluster validation: spark4knoxui — Jenkins build #11582 (SUCCESS) deployed Knox
with these service definitions; Knox homepage tiles verified.
[https://master-06.jenkins.cloudera.com/job/Cluster-Setup-CDPD/11582/]
!image-2026-09-18-01-09-03-277.png|width=980,height=615!
was (Author: JIRAUSER314139):
Upstream PR opened: [https://github.com/apache/knox/pull/1412]
Depends on: [https://github.com/apache/knox/pull/1411]
Branch: samuhasavak5:KNOX-3473-livy-for-spark4
Build: mvn -pl gateway-service-definitions,gateway-discovery-cm -am test
-DskipITs — BUILD SUCCESS (345/345 tests passed)
Manual validation: spark4knoxui cluster — Knox homepage "Livy for Spark 4" tile
verified; click-through to /livy_for_spark4/ works
!image-2026-09-18-01-09-03-277.png|width=980,height=615!
> Add Knox service definition for Livy for Spark 4 (livy_for_spark4)
> ------------------------------------------------------------------
>
> Key: KNOX-3473
> URL: https://issues.apache.org/jira/browse/KNOX-3473
> Project: Apache Knox
> Issue Type: Task
> Reporter: Arun Kumar M
> Priority: Major
> Attachments: image-2026-09-18-01-09-03-277.png
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> *Summary*
> Add upstream Knox support for Livy for Spark 4 (role: LIVY_FOR_SPARK4).
>
> *Depends on*
> KNOX-3472 (livy_for_spark3) — mirror the same structure with Spark 4 naming.
>
> *Implementation*
> Mirror livy_for_spark3 with these identifiers:
>
> | Item | Value |
> |------|-------|
> | Service role | LIVY_FOR_SPARK4 |
> | Service name / URL path | livy_for_spark4 |
> | CM service type | LIVY_FOR_SPARK4 |
> | CM role type | LIVY_SERVER_FOR_SPARK4 |
> | Discovery class | LivyForSpark4ServiceModelGenerator |
> | Dispatch | org.apache.knox.gateway.livy.LivyDispatch |
> | Icon | livyserver.png (same as Spark 3) |
>
> *Scope (parallel file set to KNOX-3472)*
> - gateway-service-definitions/services/livy_for_spark4/0.6.0/service.xml +
> rewrite.xml
> - gateway-discovery-cm/.../LivyForSpark4ServiceModelGenerator.java + unit
> tests
> - META-INF/services ServiceModelGenerator registration
> - ClouderaManagerServiceDiscoveryTest for LIVY_FOR_SPARK4
> - gateway-admin-ui: add LIVY_FOR_SPARK4 to service role list
> - gateway-release/home/conf/gateway-site.xml: add LIVY_FOR_SPARK4 to
> x-forwarded servicename list
>
> *Out of scope*
> - Per-instance HA routing (same as KNOX-3472)
>
> *Acceptance criteria*
> - livy_for_spark4 routes correctly through Knox proxy
> - CM discovery resolves LIVY_FOR_SPARK4 backend URLs
> - Service visible on Knox Homepage and Admin UI descriptor wizard
> - All new unit tests pass
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