congbobo184 opened a new pull request, #18389: URL: https://github.com/apache/pulsar/pull/18389
### Motivation When the broker closes, the scheduled task in ResourceGroupService may still execute, and cause NPE: ``` Sep 17 12:09:50 168-15-22-49 pulsar[8900]: 2022-09-17T12:09:50,050+0800 [pulsar-2-4] ERROR org.apache.pulsar.common.util.Runnables - Unexpected throwable caught Sep 17 12:09:50 168-15-22-49 pulsar[8900]: java.lang.NullPointerException: null Sep 17 12:09:50 168-15-22-49 pulsar[8900]: at org.apache.pulsar.broker.resourcegroup.ResourceGroupService.aggregateResourceGroupLocalUsages(ResourceGroupService.java:530) Sep 17 12:09:50 168-15-22-49 pulsar[8900]: at org.apache.pulsar.common.util.Runnables$CatchingAndLoggingRunnable.run(Runnables.java:54) Sep 17 12:09:50 168-15-22-49 pulsar[8900]: at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) ~[?:?] Sep 17 12:09:50 168-15-22-49 pulsar[8900]: at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305) ~[?:?] Sep 17 12:09:50 168-15-22-49 pulsar[8900]: at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305) Sep 17 12:09:50 168-15-22-49 pulsar[8900]: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[?:?] Sep 17 12:09:50 168-15-22-49 pulsar[8900]: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[?:?] Sep 17 12:09:50 168-15-22-49 pulsar[8900]: at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) Sep 17 12:09:50 168-15-22-49 pulsar[8900]: at java.lang.Thread.run(Thread.java:829) ~[?:?] ``` ### Documentation - [x] `doc-not-needed` (Please explain why) ### Matching PR in forked repository PR in forked repository: (https://github.com/Technoboy-/pulsar/pull/6) -- 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]
