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https://issues.apache.org/jira/browse/AMQ-9233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17736653#comment-17736653
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ASF subversion and git services commented on AMQ-9233:
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Commit 95e3c2a1aa0d4962ad6a22a4422a9314875f824b in activemq's branch
refs/heads/main from Jean-Baptiste Onofré
[ https://gitbox.apache.org/repos/asf?p=activemq.git;h=95e3c2a1aa ]
[AMQ-9233] Prevent NPE in SubQueueSelectorCacheBroker
> NPE in SubQueueSelectorCacheBroker.removeConsumer
> -------------------------------------------------
>
> Key: AMQ-9233
> URL: https://issues.apache.org/jira/browse/AMQ-9233
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 5.16.4
> Reporter: Matt Pavlovich
> Assignee: Jean-Baptiste Onofré
> Priority: Major
> Fix For: 5.19.0, 5.18.2
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> This NPE occurs after a number of cascading errors. Probably, the
> _selectors.size()_ needs a null check.
> {noformat}
> java.lang.NullPointerException
> at
> org.apache.activemq.plugin.SubQueueSelectorCacheBroker.removeConsumer(SubQueueSelectorCacheBroker.java:183)[activemq-broker-5.16.4.jar:5.16.4]
> at
> org.apache.activemq.broker.BrokerFilter.removeConsumer(BrokerFilter.java:139)[activemq-broker-5.16.4.jar:5.16.4]
> {noformat}
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