[jboss-jira] [JBoss JIRA] Updated: (JBMESSAGING-604) Duplicate message detection
Tim Fox (JIRA)
jira-events at lists.jboss.org
Mon Apr 30 07:21:31 EDT 2007
[ http://jira.jboss.com/jira/browse/JBMESSAGING-604?page=all ]
Tim Fox updated JBMESSAGING-604:
--------------------------------
Fix Version/s: 2.0.0 Beta 1
(was: Unscheduled)
> Duplicate message detection
> ---------------------------
>
> Key: JBMESSAGING-604
> URL: http://jira.jboss.com/jira/browse/JBMESSAGING-604
> Project: JBoss Messaging
> Issue Type: Feature Request
> Reporter: Tim Fox
> Assigned To: Tim Fox
> Fix For: 2.0.0 Beta 1
>
>
> Whereas JMS requires once and only once *delivery* of messages, there are no such guarantees when sending messages to a queue/durable sub.
> This can result in duplicate messages existing in a queue or durable sub.
> For some clients this is unacceptable, so we should implement a feature which alerts to the presence of duplicates.
> This can be done by keeping a persistent cache of message (or transaction) id on the server. Entries should time out after a period of time.
> This will not remove duplicates 100% of the time since we cannot cache the previous values of id for ever, but only for a window.
> See forum thread for more details
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