mchades opened a new issue, #14576:
URL: https://github.com/apache/gravitino/issues/14576
### Version
main branch
### Describe what's wrong
Creating a Kafka topic with `partition-count=0` or a value below `-1`
returns HTTP 500 instead of 400. Kafka rejects the request with
`InvalidPartitionsException`, but `KafkaCatalogOperations#createTopic` wraps
that exception in a generic `RuntimeException`.
### Error message and/or stacktrace
```text
RuntimeException: Failed to create topic in Kafka ...: Number of partitions
must be larger than 0.
Caused by: ExecutionException: InvalidPartitionsException: Number of
partitions must be larger than 0.
```
### How to reproduce
1. Create a Kafka messaging catalog connected to a Kafka broker.
2. POST to
`/api/metalakes/{metalake}/catalogs/{catalog}/schemas/default/topics` with:
```json
{"name":"invalid_partitions","properties":{"partition-count":"0","replication-factor":"1"}}
```
3. Observe HTTP 500 instead of 400. Repeat with `partition-count=-2`.
### Additional context
`partition-count=-1` is a valid Kafka sentinel for the broker default and
should continue to succeed. The fix should handle `InvalidPartitionsException`
as an argument error, matching the existing `InvalidReplicationFactorException`
handling.
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