dragonls opened a new issue, #20301: URL: https://github.com/apache/pulsar/issues/20301
### Search before asking - [X] I searched in the [issues](https://github.com/apache/pulsar/issues) and found nothing similar. ### Version 2.10.4 ### Minimal reproduce step 1. Set up a pulsar cluster with configuration `maxPublishRatePerTopicInBytes>0` 2. When topic unload, there is a chance to trigger this bug and show NPE error log. ### What did you expect to see? No error log and all topics go well. ### What did you see instead? `java.lang.NullPointerException` and the topic become unwritable. ### Anything else? broker log: ``` 2023-05-11T14:18:10,366+0800 [pulsar-topic-publish-rate-limiter-monitor-39-1] ERROR org.apache.bookkeeper.common.util.SafeRunnable - Unexpected throwable caught java.lang.NullPointerException: null at org.apache.pulsar.broker.service.AbstractTopic.checkTopicPublishThrottlingRate(AbstractTopic.java:843) ~[org.apache.pulsar-pulsar-broker-2.10.4.jar:2.10.4] at java.util.Optional.ifPresent(Optional.java:183) ~[?:?] at org.apache.pulsar.broker.service.BrokerService.lambda$forEachTopic$80(BrokerService.java:1874) ~[org.apache.pulsar-pulsar-broker-2.10.4.jar:2.10.4] at org.apache.pulsar.common.util.collections.ConcurrentOpenHashMap$Section.forEach(ConcurrentOpenHashMap.java:544) ~[org.apache.pulsar-pulsar-common-2.10.4.jar:2.10.4] at org.apache.pulsar.common.util.collections.ConcurrentOpenHashMap.forEach(ConcurrentOpenHashMap.java:272) ~[org.apache.pulsar-pulsar-common-2.10.4.jar:2.10.4] at org.apache.pulsar.broker.service.BrokerService.forEachTopic(BrokerService.java:1872) ~[org.apache.pulsar-pulsar-broker-2.10.4.jar:2.10.4] at org.apache.pulsar.broker.service.BrokerService.checkTopicPublishThrottlingRate(BrokerService.java:1849) ~[org.apache.pulsar-pulsar-broker-2.10.4.jar:2.10.4] at org.apache.pulsar.broker.service.BrokerService.lambda$setupTopicPublishRateLimiterMonitor$7(BrokerService.java:620) ~[org.apache.pulsar-pulsar-broker-2.10.4.jar:2.10.4] at org.apache.bookkeeper.mledger.util.SafeRun$1.safeRun(SafeRun.java:32) ~[org.apache.pulsar-managed-ledger-2.10.4.jar:2.10.4] at org.apache.bookkeeper.common.util.SafeRunnable.run(SafeRunnable.java:36) ~[org.apache.bookkeeper-bookkeeper-common-4.14.7.gemini.0.jar:4.14.7.gemini.0] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) ~[?:?] at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305) ~[?:?] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305) ~[?:?] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[?:?] at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[io.netty-netty-common-4.1.87.Final.jar:4.1.87.Final] at java.lang.Thread.run(Thread.java:829) ~[?:?] ``` ### Are you willing to submit a PR? - [X] I'm willing to submit a PR! -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
