[jira] [Updated] (HDDS-16444) Concurrent cancelSnapshotDiff hides the real failure cause with an IllegalStateException

["Siyao Meng (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDDS-16444?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Siyao Meng updated HDDS-16444:
------------------------------
    Attachment: HDDS-16444.001.patch

> Concurrent cancelSnapshotDiff hides the real failure cause with an IllegalStateException
> ----------------------------------------------------------------------------------------
>
>                 Key: HDDS-16444
>                 URL: https://issues.apache.org/jira/browse/HDDS-16444
>             Project: Apache Ozone
>          Issue Type: Bug
>            Reporter: Siyao Meng
>            Priority: Minor
>         Attachments: HDDS-16444.001.patch
>
>
> h3. Finding
> A concurrent cancelSnapshotDiff makes the diff task's catch-block updateJobStatusToFailed throw IllegalStateException, so the genuine storage-layer failure cause is never logged and a misleading exception escapes the worker; the terminal job state stays correct (CANCELLED) and cleanup runs, so the impact is diagnostic/robustness only on the operator log surface.
> h3. Classification
> * Verdict: REPRODUCED
> * Severity: Low
> * Source: Specula TLA+ model checking and confirmation debate, finding CR-3
> h3. Reproduce
> {noformat}
> Ozone commit: 9fbf9ee0cb1bd2f5f5d437b6719ebbe5309351fb
> Specula:      v1.1.0 (commit c6aa3dfa)
> Target:       om-snapshot-diff-jobs
> Guidance:     campaigns/ozone-9fbf9ee/targets/009-om-snapshot-diff-jobs/.prompt-extra.md
> {noformat}
> {code:none}
> specula run --agent=claude-code --effort=high --keep-original --max-parallel=2 \
>   --enable-reviews --confirm-debate --tlc-memory-limit=28G --tlc-worker-limit=8 \
>   "om-snapshot-diff-jobs|apache/ozone|Java|Use the target-specific .prompt-extra.md"
> {code}
> Discovered under HDDS-16430 (Specula TLA+ verification effort). The TLA+ specification, counterexample, and confirmation debate live in the Specula run artifacts.
> Generated with Specula (Claude Opus 4.8).



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