mattisonchao opened a new pull request, #15653:
URL: https://github.com/apache/pulsar/pull/15653
### Motivation
When the user wants to set the `AutoTopicCreationOverride` policy with
`non-partitioned` type, the correct request body is as below.
```json
{
"allowAutoTopicCreation": true,
"topicType": "non-partitioned"
}
```
On the broker side, the request body entity field `defaultNumPartitions` is
`null`. the NPE will occur when the user sets config
`maxNumPartitionsPerPartitionedTopic` greater than 0.
https://github.com/apache/pulsar/blob/3c60063716d3cdd561bf1e956a551a2297869fd9/pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/NamespacesBase.java#L839-L842
### Modifications
- Check `maxNumPartitionsPerPartitionedTopic` just `topicType` is
`partitioned`
### Verifying this change
- [x] Make sure that the change passes the CI checks.
Add a test `testAutoTopicCreationOverrideWithMaxNumPartitionsLimit` to
verify this change.
### Documentation
- [x] `no-need-doc`
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