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https://issues.apache.org/jira/browse/ARTEMIS-1610?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16328729#comment-16328729
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ASF GitHub Bot commented on ARTEMIS-1610:
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Github user mtaylor commented on the issue:
https://github.com/apache/activemq-artemis/pull/1780
@cshannon Any chance you could add a unit test for this?
> NPE inside WildcardAddressManager on consumer creation
> ------------------------------------------------------
>
> Key: ARTEMIS-1610
> URL: https://issues.apache.org/jira/browse/ARTEMIS-1610
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: Broker
> Affects Versions: 2.4.0
> Reporter: Christopher L. Shannon
> Assignee: Christopher L. Shannon
> Priority: Major
> Fix For: 2.5.0
>
> Attachments: NPEWildcardAddressManagerTest.java
>
>
> While doing some testing with Artemis I started seeing a NPE when creating a
> consumer in certain cases. The issue occurs when there are wildcard addresses
> being registered/un-registered inside of the WildcardAddressManager before
> the creation and those addresses are linked with other addresses. This is
> causing the NPE inside the addBinding() method because it's trying to
> reference bindings that do not exist and there is no null check. I'm not sure
> the exact fix for this yet but I have a basic Junit test the shows the issue.
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