spuru9 opened a new pull request, #28712:
URL: https://github.com/apache/flink/pull/28712
## What is the purpose of the change
The job Timeline tab's SubTask view and the SubTask Accumulators table both
render `N - undefined` instead of the TaskManager location for each subtask.
## Brief change log
- FLINK-36355 removed the deprecated `host` field from the REST API's
subtask-level responses (`SubtasksTimesInfo`,
`SubtaskExecutionAttemptDetailsInfo`, `SubtasksAllAccumulatorsInfo`), keeping
only `endpoint`. That PR (apache/flink#25436) touched only backend Java
classes; the web-dashboard frontend was never updated to match, so `task.host`
has read `undefined` since Flink 2.0.
- Update `JobSubTaskTime` (`job-timeline.ts`) and `SubTaskAccumulators`
(`job-accumulators.ts`) to declare `endpoint` instead of `host`.
- Update the two consumers — `job-timeline.component.ts` (SubTask TimeLine
chart labels) and `job-overview-drawer-accumulators.component.html` (SubTask
Accumulators table) — to read `task.endpoint` / `subTaskAccumulator.endpoint`.
## Verifying this change
- `npm run lint` and `npm run build` pass.
- Verified against a real running JobManager (local standalone cluster +
StateMachineExample): before the fix, the Timeline tab's SubTask view showed `0
- undefined`; after the fix, it shows `0 - localhost:<port>`.
## 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: no
- The S3 file system connector: no
## Documentation
- Does this pull request introduce a new feature? no (bug fix)
- If yes, how is the feature documented? not applicable
## AI Usage Disclosure
- [x] Claude Code
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