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Posted to dev@qpid.apache.org by "Rob Godfrey (JIRA)" <ji...@apache.org> on 2016/02/19 14:36:18 UTC
[jira] [Updated] (QPID-7082) [Java Broker] Created
AccessControllerContext for SystemTasks should not reference current
context
[ https://issues.apache.org/jira/browse/QPID-7082?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rob Godfrey updated QPID-7082:
------------------------------
Summary: [Java Broker] Created AccessControllerContext for SystemTasks should not reference current context (was: [Java Broker] Closed Connection and Session objects can be leaked via AccessControlContext object referenced from Queue#_immediateDeliveryContext)
> [Java Broker] Created AccessControllerContext for SystemTasks should not reference current context
> --------------------------------------------------------------------------------------------------
>
> Key: QPID-7082
> URL: https://issues.apache.org/jira/browse/QPID-7082
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: qpid-java-6.0, qpid-java-6.0.1
> Reporter: Alex Rudyy
>
> Instance of AccessControlContext referenced from Queue#_immediateDeliveryContext is created from an existing AccessControlContext on queue creation. If queue is created via messaging layer, the existing AccessControlContext can hold references to ConnectionPrincipal and SessionPrincipal and their connection and session object accordingly. As result, Queue#_immediateDeliveryContext can refer ConnectionPrincipal and SessionPrincipa prebeting garbage collection of corresponding AMQPConnection and AMQSessionModel objects for the duration of the queue life.
> With lots of long lived queues that were created by lots of different connections the broker memory consumption might grow in time and eventially Broker can run OOM if not bounced.
> It seems we do not need to refer an existing AccessControlContext from any system AccessControlContext.
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