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https://issues.apache.org/jira/browse/AMQ-8395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17433555#comment-17433555
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ASF subversion and git services commented on AMQ-8395:
------------------------------------------------------
Commit d109cf0455495146cb6537fd24bc5ef7fdbb6ca6 in activemq's branch
refs/heads/activemq-5.15.x from Jean-Baptiste Onofré
[ https://gitbox.apache.org/repos/asf?p=activemq.git;h=d109cf0 ]
[AMQ-8395] Avoid possible NPE when sending advisory message
(cherry picked from commit f74992c1058eb8de051c1ce0779ba4f34ba39ed3)
> NPE on Topic SlowConsumerAdvisory
> ---------------------------------
>
> Key: AMQ-8395
> URL: https://issues.apache.org/jira/browse/AMQ-8395
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 5.15.15
> Reporter: Matt Pavlovich
> Assignee: Jean-Baptiste Onofré
> Priority: Major
> Fix For: 5.17.0, 5.15.16, 5.16.4
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> {noformat}
> AdvisoryBroker | 71 - org.apache.activemq.activemq-osgi -
> 5.15.15 | Failed to fire slow consumer advisory, reason: {}
> java.lang.NullPointerException: null
> at
> org.apache.activemq.broker.region.Topic.doMessageSend(Topic.java:538) ~[?:?]
> at org.apache.activemq.broker.region.Topic.send(Topic.java:495) ~[?:?]
> at
> org.apache.activemq.broker.region.DestinationFilter.send(DestinationFilter.java:138)
> ~[?:?]
> at
> org.apache.activemq.broker.region.AbstractRegion.send(AbstractRegion.java:511)
> ~[?:?]
> at
> org.apache.activemq.broker.region.RegionBroker.send(RegionBroker.java:459)
> ~[?:?]
> at
> org.apache.activemq.broker.jmx.ManagedRegionBroker.send(ManagedRegionBroker.java:293)
> ~[?:?]
> at
> org.apache.activemq.advisory.AdvisoryBroker.fireAdvisory(AdvisoryBroker.java:912)
> ~[?:?]
> at
> org.apache.activemq.advisory.AdvisoryBroker.slowConsumer(AdvisoryBroker.java:525)
> ~[?:?]
> at
> org.apache.activemq.broker.BrokerFilter.slowConsumer(BrokerFilter.java:361)
> ~[?:?]
> at
> org.apache.activemq.broker.BrokerFilter.slowConsumer(BrokerFilter.java:361)
> ~[?:?]
> at
> org.apache.activemq.broker.BrokerFilter.slowConsumer(BrokerFilter.java:361)
> ~[?:?]
> at
> org.apache.activemq.broker.BrokerFilter.slowConsumer(BrokerFilter.java:361)
> ~[?:?]
> at
> org.apache.activemq.broker.BrokerFilter.slowConsumer(BrokerFilter.java:361)
> ~[?:?]
> at
> org.apache.activemq.broker.BrokerFilter.slowConsumer(BrokerFilter.java:361)
> ~[?:?]
> at
> org.apache.activemq.broker.BrokerFilter.slowConsumer(BrokerFilter.java:361)
> ~[?:?]
> at
> org.apache.activemq.broker.region.BaseDestination.slowConsumer(BaseDestination.java:564)
> ~[?:?]
> at
> org.apache.activemq.broker.region.PrefetchSubscription.dispatchPending(PrefetchSubscription.java:674)
> ~[?:?]
> at
> org.apache.activemq.broker.region.PrefetchSubscription.onDispatch(PrefetchSubscription.java:755)
> ~[?:?]
> at
> org.apache.activemq.broker.region.PrefetchSubscription$3.onSuccess(PrefetchSubscription.java:713)
> ~[?:?]
> at
> org.apache.activemq.broker.TransportConnection.processDispatch(TransportConnection.java:1004)
> ~[?:?]
> at
> org.apache.activemq.broker.TransportConnection.iterate(TransportConnection.java:1033)
> ~[?:?]
> at
> org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:133)
> ~[?:?]
> at
> org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:48)
> ~[?:?]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
> ~[?:?]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> ~[?:?]
> at java.lang.Thread.run(Thread.java:829) [?:?]
> {noformat}
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