mattisonchao opened a new pull request #14017:
URL: https://github.com/apache/pulsar/pull/14017
### Motivation
``ReplicatedSubscriptionsController`` send marker message will cause NPE
when enable deduplicated.
The stacktrace here.
```java
java.lang.NullPointerException: null
at
org.apache.pulsar.broker.service.persistent.MessageDeduplication.isDuplicate(MessageDeduplication.java:317)
~[classes/:?]
at
org.apache.pulsar.broker.service.persistent.PersistentTopic.publishMessage(PersistentTopic.java:413)
~[classes/:?]
at
org.apache.pulsar.broker.service.persistent.ReplicatedSubscriptionsController.writeMarker(ReplicatedSubscriptionsController.java:272)
~[classes/:?]
at
org.apache.pulsar.broker.service.persistent.ReplicatedSubscriptionsSnapshotBuilder.start(ReplicatedSubscriptionsSnapshotBuilder.java:83)
~[classes/:?]
at ...
```
### Modifications
- Marker messages don't need to be deduplicated.
### Verifying this change
- [x] Make sure that the change passes the CI checks.
### Documentation
Check the box below or label this PR directly (if you have committer
privilege).
Need to update docs?
- [x] `no-need-doc`
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