FrankChen021 opened a new issue, #20432:
URL: https://github.com/apache/druid/issues/20432

   _This issue was generated automatically by Claude Code (Anthropic's AI 
coding agent) running a scheduled CI-triage routine on behalf of @FrankChen021. 
Analysis and suggested fixes are AI-produced; please verify before acting on 
them._
   
   **Status:** Open: no fix PR
   **Subject:** `KubernetesClusterDockerTest` class setup (embedded-tests, 
`docker-tests`)
   **Failures:** 2 · **First seen:** 2026-09-10 · **Last seen:** 2026-09-18
   
   ### Root cause
   
   `K3sClusterResource.waitUntilPodIsReady` waits 300 s for each pod's 
`Ready=True` condition. On timeout it throws an ISE that contains only the pod 
name. The pods have no readiness probe and run with `DRUID_XMX=128m`, so a 
container restart or a node `NotReady` blip on a busy runner leaves the pod 
unready, and the cause is not visible in the log.
   
   ### Suggested fix
   
   On timeout, include the pod status (conditions, restart count, last 
termination reason), its events and the log tail in the exception, and dump pod 
logs to `druid-container-logs`. Add a `/status/health` `readinessProbe` with an 
initial delay to `manifests/druid-service.yaml`.
   
   ### Occurrences
   
   Failed push-triggered master jobs only. The daily triage routine adds one 
row per new failed job.
   
   | Date | Commit | Job | Failure log | Detail | Reported in |
   |---|---|---|---|---|---|
   | 2026-09-10 | 61ed0a389d (#20272) | `docker-tests` | [job 
102731457503](https://github.com/apache/druid/actions/runs/34432737655/job/102731457503)
 | router pod never became Ready | #20312 |
   | 2026-09-18 | 3cbd00d9d7 (#20363) | `docker-tests` | [job 
105449382571](https://github.com/apache/druid/actions/runs/35296288908/job/105449382571)
 | coordinator pod not Ready within 300 s | #20385 |
   


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