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https://issues.apache.org/jira/browse/QPID-5735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13986281#comment-13986281
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Andrew Stitcher commented on QPID-5735:
---------------------------------------
I don't think that is referring to the same thing at all. The delivery-count
this is about is defined in section 3.2.1 of the Amqp 1.0 spec (Message
Headers) not 2.6.7 or 2.7.4 (link flow control)
> The Selector property amqp.redelivered is not computed correctly
> ----------------------------------------------------------------
>
> Key: QPID-5735
> URL: https://issues.apache.org/jira/browse/QPID-5735
> Project: Qpid
> Issue Type: Bug
> Affects Versions: 0.22
> Reporter: Andrew Stitcher
> Assignee: Andrew Stitcher
> Fix For: 0.29
>
>
> Due to the fix for QPID-4668. The delivery-count held by a queued message is
> now off by 1 such that redelivered should actually be delivery-count>=0. This
> is because the count will be adjusted after the selector runs but before any
> actual delivery.
> You can replicate this with qpid-send/qpid-receive:
> {code}
> qpid-send -a "q; {create:always}"
> {code}
> Then get message without acknowledging:
> {code}
> qpid-receive -a q --print-headers yes --ack 0
> {code}
> [One message is received with no Redelivered header]
> now get message with selector
> {code}
> qpid-receive -a "q; {link:{selector:amqp.redelivered=true}" --print-headers
> yes --ack 0
> {code}
> [No messages are received even though there is a redelivered message]
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