[jira] [Resolved] (ARTEMIS-5598) Mitigate race condition on ServerConsumer callback

["Timothy A. Bish (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARTEMIS-5598?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Timothy A. Bish resolved ARTEMIS-5598.
--------------------------------------
    Fix Version/s: 2.43.0
       Resolution: Fixed

> Mitigate race condition on ServerConsumer callback
> --------------------------------------------------
>
>                 Key: ARTEMIS-5598
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-5598
>             Project: ActiveMQ Artemis
>          Issue Type: Bug
>            Reporter: Justin Bertram
>            Assignee: Justin Bertram
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 2.43.0
>
>          Time Spent: 1h 40m
>  Remaining Estimate: 0h
>
> There is a race condition in {{ServerConsumerImpl}} involving {{callback}} which can result in a {{NullPointerException}}, e.g.:
> {noformat}
> java.lang.NullPointerException
>     at org.apache.activemq.artemis.core.server.impl.ServerConsumerImpl.proceedDeliver(ServerConsumerImpl.java:532)
>     at org.apache.activemq.artemis.core.server.impl.ServerConsumerImpl$BrowserDeliverer.run(ServerConsumerImpl.java:1488)
>     at org.apache.activemq.artemis.utils.actors.OrderedExecutor.doTask(OrderedExecutor.java:57)
>     at org.apache.activemq.artemis.utils.actors.OrderedExecutor.doTask(OrderedExecutor.java:32)
>     at org.apache.activemq.artemis.utils.actors.ProcessorBase.executePendingTasks(ProcessorBase.java:68)
>     at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
>     at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>     at org.apache.activemq.artemis.utils.ActiveMQThreadFactory$1.run(ActiveMQThreadFactory.java:118){noformat}
> The race happens when a message is being delivered at the same time the consumer is closed.



--
This message was sent by Atlassian Jira
(v8.20.10#820010)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@activemq.apache.org
For additional commands, e-mail: issues-help@activemq.apache.org
For further information, visit: https://activemq.apache.org/contact