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From "Rob Godfrey (JIRA)" <qpid-...@incubator.apache.org>
Subject [jira] Assigned: (QPID-499) Provide reaper thread to implement timeToLive
Date Thu, 03 Jan 2008 13:17:33 GMT

     [ https://issues.apache.org/jira/browse/QPID-499?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rob Godfrey reassigned QPID-499:
--------------------------------

    Assignee: Rob Godfrey

> Provide reaper thread to implement timeToLive 
> ----------------------------------------------
>
>                 Key: QPID-499
>                 URL: https://issues.apache.org/jira/browse/QPID-499
>             Project: Qpid
>          Issue Type: Improvement
>    Affects Versions: M2
>            Reporter: Martin Ritchie
>            Assignee: Rob Godfrey
>             Fix For: M3
>
>
> The timeToLive parameter is available on some of the send methods of the javax.jmx.MessageProducer
interface and thus on the qpid implementation (org.apache.qpid.client.BasicMessageProducer)
of this interface. However, this flag is not actually implemented i.e. currently just ignored
:-(
> We need to implement support for this parameter. This requires a check on the AMQP protocol
handling of this flag i.e. to check that it can currently be supported. Think it is - but
implementer to check and raise if not.
> The information below has been extracted from section 4.8 of the JMS specification fyi
(see spec for more detail/refs):
> A client can specify a time-to-live value in milliseconds for each message it sends.
This value defines a message expiration time that is the sum of the message's time-to-live
and the GMT it is sent (for transacted sends, this is the time the client sends the message,
not the time the transaction is committed). A JMS provider should do its best to expire messages
accurately; however, JMS does not define the accuracy provided. It is not acceptable to simply
ignore time-to-live.
> For more information on message expiration, see Section 3.4.9 "JMSExpiration."

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