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Posted to dev@qpid.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2018/07/05 15:50:00 UTC
[jira] [Commented] (QPID-8212) [JMS AMQP 0-x][AMQP 0-8..0-91]
Consumer close can block for 60 seconds and endup in time-out exception
[ https://issues.apache.org/jira/browse/QPID-8212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16533834#comment-16533834 ]
ASF subversion and git services commented on QPID-8212:
-------------------------------------------------------
Commit 242099b05b78d2a8c8360df10619d066f509891e in qpid-jms-amqp-0-x's branch refs/heads/6.3.x from [~alex.rufous]
[ https://git-wip-us.apache.org/repos/asf?p=qpid-jms-amqp-0-x.git;h=242099b ]
QPID-8212: [JMS AMQP 0-x][AMQP 0-8..0-91] Make sure that consumer close does not delay concurrent connection close
(cherry picked from commit 22a4c4fc28f32e715d3852e303a2ed00e6770c44)
> [JMS AMQP 0-x][AMQP 0-8..0-91] Consumer close can block for 60 seconds and endup in time-out exception
> ------------------------------------------------------------------------------------------------------
>
> Key: QPID-8212
> URL: https://issues.apache.org/jira/browse/QPID-8212
> Project: Qpid
> Issue Type: Bug
> Components: JMS AMQP 0-x
> Affects Versions: qpid-java-client-0-x-6.3.1
> Reporter: Alex Rudyy
> Priority: Blocker
> Fix For: qpid-java-client-0-x-6.3.2
>
>
> When method {{MessageConsumer#close()}} is invoked in one thread and method {{Connection#close()}} is invoked in another thread, the incoming {{BasicCancelOk}} frame can be ignored due to {{Connection#_closed}} flag being set. As result, the call to {{MessageConsumer#close()}} can block for 60 seconds and end up in exception due to not being able to receive {{BasicCancelOk}}. Invocation of {{Connection#close()}} also gets blocked due to message delivery lock being hold on consumer close.
> The defect was introduced as part of changes made against QPID-8185 in commit
> [f89f6c2f45d11fc63551d0d61c17eceedd6bd247|https://git-wip-us.apache.org/repos/asf?p=qpid-jms-amqp-0-x.git;h=f89f6c2]
> Method {{AMQProtocolSession#isClosedForInput}} checks whether session is closed for input by calling {{AMQSession#isClosed()}}. The latter returns true when either {{AMQSession#_closed}} or {{AMQConnection#_closed}} holds {{true}}. Only {{AMQSession#_closed}} should be checked in {{AMQProtocolSession#isClosedForInput}}.
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