shuke987 opened a new pull request, #65486:
URL: https://github.com/apache/doris/pull/65486
### What problem does this PR solve?
Issue Number: close #xxx
Related PR: #xxx
Problem Summary:
`test_mow_table_with_format_v2` used `consumeProcessOutput` to start
asynchronous stdout and stderr reader threads, then called `Process.waitFor()`
and immediately parsed the stdout buffer. `waitFor()` only waits for the curl
process and does not join the reader threads, so the case could intermittently
parse an empty buffer even though `/api/show_config` returned a complete
response.
The same failure signature appeared in P0 build 992109 and Cloud P0 build
983996: curl exited with code 0 and reported receiving the response, while the
captured stdout was still empty at parse time.
This change uses `waitForProcessOutput` to wait for both reader threads
before reading the exit value and parsing the JSON response. The product
assertions and test intent are unchanged.
### Release note
None
### Check List (For Author)
- Test <!-- At least one of them must be included. -->
- [ ] Regression test
- [ ] Unit Test
- [x] Manual test (add detailed scripts or steps below)
- Parsed the modified case with the repository's Groovy 4.0.19
runtime.
- Verified `waitForProcessOutput` captures a 51,904-byte stdout
payload before returning.
- `git diff --check` passed.
- [ ] No need to test or manual test. Explain why:
- [ ] This is a refactor/code format and no logic has been changed.
- [ ] Previous test can cover this change.
- [ ] No code files have been changed.
- [ ] Other reason <!-- Add your reason? -->
- Behavior changed:
- [x] No.
- [ ] Yes. <!-- Explain the behavior change -->
- Does this need documentation?
- [x] No.
- [ ] Yes. <!-- Add document PR link here. eg:
https://github.com/apache/doris-website/pull/1214 -->
### Check List (For Reviewer who merge this PR)
- [ ] Confirm the release note
- [ ] Confirm test cases
- [ ] Confirm document
- [ ] Add branch pick label <!-- Add branch pick label
should merge into -->
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