RockteMQ-AI commented on issue #2497:
URL:
https://github.com/apache/rocketmq-dashboard/issues/2497#issuecomment-5368444925
**Issue Evaluation**
Category: `bug` | Status: **Confirmed**
The reported issue has been verified against the current codebase.
**Root Cause:** In `RocketMQAdminClientImpl.updateTopic()` (line ~266), the
remark update is guarded by `if (StringUtils.hasText(topic.getRemark()))`. When
a user submits an empty string to clear the remark, `StringUtils.hasText("")`
returns `false`, so the old remark is preserved.
**Impact:** Users cannot clear topic remarks through the Studio UI. Once
set, a remark is permanent.
**Severity:** low
**Suggested Fix:** Distinguish `null` (field not submitted) from empty
string (explicitly cleared). Update the remark when the field is non-null,
normalizing an empty string to null/empty.
An automated fix proposal will be generated. Reply `/approve` to proceed
with PR generation.
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