[jira] [Resolved] (QPID-5571) [Java Broker] [AMQP 1.0] Broker can deadlock if a consumer is closed while it is sending messages

["Rob Godfrey (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/QPID-5571?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rob Godfrey resolved QPID-5571.
-------------------------------

    Resolution: Fixed

> [Java Broker] [AMQP 1.0] Broker can deadlock if a consumer is closed while it is sending messages
> -------------------------------------------------------------------------------------------------
>
>                 Key: QPID-5571
>                 URL: https://issues.apache.org/jira/browse/QPID-5571
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker
>    Affects Versions: 0.26
>            Reporter: Rob Godfrey
>            Assignee: Rob Godfrey
>             Fix For: 0.27
>
>
> The I/O thread first takes the endpoint lock and then gets the consumer lock, the queue runner thread takes the consumer lock and then tries to get the endpoint lock.
> By modifying the I/O thread to release the endpoint lock if it cannot get the consumer lock we can avoid the deadlock.



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