yuqi1129 opened a new issue, #11602:
URL: https://github.com/apache/gravitino/issues/11602
### Version
main branch
### Describe what's wrong
`TopicAuthorizationIT.testListTopic()` intermittently fails in Backend IT.
The test creates three Kafka topics, but `listTopics()` sometimes returns only
two.
Expected: 3 topics
Actual: 2 topics
The failure is intermittent, occurring approximately once every 10 runs.
This may be a timing or visibility issue between topic creation and Kafka topic
listing.
### Error message and/or stacktrace
```text
TopicAuthorizationIT > testListTopic() FAILED
org.opentest4j.AssertionFailedError: array lengths differ, expected: <3> but
was: <2>
at
org.junit.jupiter.api.Assertions.assertArrayEquals(Assertions.java:1452)
at
org.apache.gravitino.client.integration.test.authorization.TopicAuthorizationIT.testListTopic(TopicAuthorizationIT.java:155)
```
### How to reproduce
1. Use the `main` branch.
2. Run Backend IT with JDK 17, H2, and embedded mode repeatedly.
3. Run `TopicAuthorizationIT` approximately 10 times.
4. Observe that `testListTopic()` may return only two of the three topics
created by `testCreateTopic()`.
CI failure:
https://github.com/apache/gravitino/actions/runs/27334407837/job/80755118347
### Additional context
The failed CI run completed 206 `client-java` tests with one failure and one
skipped test. No existing open duplicate issue was found.
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