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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-5818) AMQP model mutating actions should use task executors
Date Sun, 12 Apr 2015 15:04:12 GMT

    [ https://issues.apache.org/jira/browse/QPID-5818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14491506#comment-14491506

ASF subversion and git services commented on QPID-5818:

Commit 1673014 from [~godfrer] in branch 'qpid/trunk'
[ https://svn.apache.org/r1673014 ]

QPID-5818 : [Java Broker] creating children from within the configuration thread leads to
deadlock as the configuration thread blocks waiting for a task which cannot be executed because
it needs the config thread.  Instead use asynchronous child creation.

> AMQP model mutating actions should use task executors
> -----------------------------------------------------
>                 Key: QPID-5818
>                 URL: https://issues.apache.org/jira/browse/QPID-5818
>             Project: Qpid
>          Issue Type: Improvement
>          Components: Java Broker
>            Reporter: Keith Wall
>             Fix For: 6.0 [Java]
> All AMQP actions (queue declare etc) that mutate the model must use the task executor
in order to fit with the scheme whereby all model updates are the responsibility of a single
> There are a couple of interesting corner cases:
>     Queue browsers - consuming the last message causes the consumer to close (=model
>     Sending message that cannot be routed cause the connection to be closed (=model operation).
> Scope must include AMQP 0-8, 0-10, 1-10 and management interfaces.

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