yihua opened a new pull request, #5245:
URL: https://github.com/apache/hudi/pull/5245
## What is the purpose of the pull request
When the `instant_time.rollback.requested` file in the timeline is empty or
corrupted, it cannot be parsed. When running `getPendingRollbackInfos()`, it's
going to skip that empty/corrupted requested rollback instant and the rollback
instant is going to stay on the timeline forever, preventing metadata table
archival.
This PR fixes the problem by deleting the requested rollback plan if it is
empty or corrupted.
## Brief change log
- Adds logic to delete requested rollback plan if it cannot be parsed in
`BaseHoodieWriteClient::getPendingRollbackInfos()`.
## Verify this pull request
This change added tests for requested rollbacks, either valid or corrupted,
in `TestClientRollback`. The fix is also verified by running the deltastreamer
on a Hudi Table with corrupted requested rollback in the timeline. The
corrupted rollback plan is deleted afterwards.
## Committer checklist
- [ ] Has a corresponding JIRA in PR title & commit
- [ ] Commit message is descriptive of the change
- [ ] CI is green
- [ ] Necessary doc changes done or have another open PR
- [ ] For large changes, please consider breaking it into sub-tasks under
an umbrella JIRA.
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